{"id":11232,"date":"2025-11-18T08:37:30","date_gmt":"2025-11-18T07:37:30","guid":{"rendered":"https:\/\/jakob-albertsen.dk\/c3-c4\/"},"modified":"2026-08-25T08:47:48","modified_gmt":"2026-08-25T06:47:48","slug":"c3-c4","status":"publish","type":"page","link":"https:\/\/jakob-albertsen.dk\/en\/c3-c4\/","title":{"rendered":"C3\/C4"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"11232\" class=\"elementor elementor-11232 elementor-10018\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-13d7e622 e-con-full no-padding e-flex e-con e-parent\" data-id=\"13d7e622\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5293eb32 elementor-widget elementor-widget-template\" data-id=\"5293eb32\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"template.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-template\">\n\t\t\t\t\t<div data-elementor-type=\"container\" data-elementor-id=\"11255\" class=\"elementor elementor-11255 elementor-6563\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6b499f1f e-con-full no-padding e-flex e-con e-parent\" data-id=\"6b499f1f\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1ecbb66 elementor-widget elementor-widget-template\" data-id=\"1ecbb66\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"template.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-template\">\n\t\t\t\t\t<div data-elementor-type=\"container\" data-elementor-id=\"11323\" class=\"elementor elementor-11323 elementor-6542\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t<div class=\"elementor-element elementor-element-732d9bdf white e-flex e-con-boxed e-con e-parent\" data-id=\"732d9bdf\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;video&quot;,&quot;background_video_link&quot;:&quot;https:\\\/\\\/gostmediaserviceprod.blob.core.windows.net\\\/asset-573c32b5-9c60-4284-956c-c6dc1d42df1f\\\/kundevideo_-_jakob_albertsen_kom_1920x1080_6000k.mp4&quot;,&quot;background_video_start&quot;:18,&quot;background_play_on_mobile&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-background-video-container\">\n\t\t\t\t\t\t\t<video class=\"elementor-background-video-hosted\" role=\"presentation\" autoplay muted playsinline loop><\/video>\n\t\t\t\t\t<\/div><div class=\"elementor-element elementor-element-65cdb9cc e-con-full e-flex e-con e-child\" data-id=\"65cdb9cc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-65673d38 e-con-full e-flex e-con e-child\" data-id=\"65673d38\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2189cb9d elementor-icon-list--layout-inline elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"2189cb9d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items elementor-inline-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-check\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M173.898 439.404l-166.4-166.4c-9.997-9.997-9.997-26.206 0-36.204l36.203-36.204c9.997-9.998 26.207-9.998 36.204 0L192 312.69 432.095 72.596c9.997-9.997 26.207-9.997 36.204 0l36.203 36.204c9.997 9.997 9.997 26.206 0 36.204l-294.4 294.401c-9.998 9.997-26.207 9.997-36.204-.001z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">120 years of experience<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-check\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M173.898 439.404l-166.4-166.4c-9.997-9.997-9.997-26.206 0-36.204l36.203-36.204c9.997-9.998 26.207-9.998 36.204 0L192 312.69 432.095 72.596c9.997-9.997 26.207-9.997 36.204 0l36.203 36.204c9.997 9.997 9.997 26.206 0 36.204l-294.4 294.401c-9.998 9.997-26.207 9.997-36.204-.001z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Certified quality<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-check\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M173.898 439.404l-166.4-166.4c-9.997-9.997-9.997-26.206 0-36.204l36.203-36.204c9.997-9.998 26.207-9.998 36.204 0L192 312.69 432.095 72.596c9.997-9.997 26.207-9.997 36.204 0l36.203 36.204c9.997 9.997 9.997 26.206 0 36.204l-294.4 294.401c-9.998 9.997-26.207 9.997-36.204-.001z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Sustainable technologies<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-43c1d4f5 e-con-full e-flex e-con e-child\" data-id=\"43c1d4f5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-1f4c6061 e-con-full e-flex e-con e-child\" data-id=\"1f4c6061\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7053625f cta elementor-mobile-align-justify elementor-widget-mobile__width-inherit elementor-widget elementor-widget-button\" data-id=\"7053625f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"tel:+45%2062%2020%2020%2058\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">+45 62 20 20 58<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-53868e99 elementor-mobile-align-justify elementor-widget-mobile__width-inherit cta border elementor-widget elementor-widget-button\" data-id=\"53868e99\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/jakob-albertsen.dk\/en\/contact\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Get a good offer<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1e0ea324 e-flex e-con-boxed e-con e-parent\" data-id=\"1e0ea324\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-5d6a46a7 e-con-full e-flex e-con e-child\" data-id=\"5d6a46a7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-1316ff85 e-con-full e-flex elementor-invisible e-con e-child\" data-id=\"1316ff85\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeInLeft&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fe6af35 prehead elementor-widget elementor-widget-text-editor\" data-id=\"fe6af35\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>JAKOB ALBERTSEN KOMPOSIT A\/S<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-56080754 elementor-widget elementor-widget-text-editor\" data-id=\"56080754\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Corrosion protection according to C3 and C4<\/h2><p>Corrosion classes C3 and C4, as defined in ISO 12944, describe environments with moderate to high corrosion stress. Correct selection of coating system and surface treatment is essential to ensure long service life and reduce maintenance costs in these environments. <\/p><h3>What do C3 and C4 corrosion classes mean?<\/h3><p>ISO 12944 classifies corrosive environments from C1 (very low corrosion risk) to CX (extremely corrosive environments). C3 and C4 represent intermediate classes covering both indoor and outdoor applications: <\/p><ul><li>C3 \u2013 Moderately corrosive environment<\/li><li>Outdoors: Urban and industrial environments with moderate air pollution, coastal areas with low salinity.<\/li><li>Indoors: Production areas with high humidity, such as breweries, dairies and food factories.<\/li><li>C4 \u2013 Highly corrosive environment<\/li><li>Outdoors: Industrial areas with high humidity and significant air pollution, as well as coastal areas with moderate salt exposure.<\/li><li>Indoors: Chemical factories, swimming pools, shipyards and areas with frequent condensation.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-14e81331 cta elementor-widget elementor-widget-button\" data-id=\"14e81331\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/jakob-albertsen.dk\/en\/contact\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Contact us today<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-248a4278 e-con-full no-padding e-flex elementor-invisible e-con e-child\" data-id=\"248a4278\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeInRight&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-276f7ae6 elementor-widget elementor-widget-template\" data-id=\"276f7ae6\" data-element_type=\"widget\" data-e-type=\"widget\" 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.elementor-icon-list-item{margin-right:calc(0px\/2);margin-left:calc(0px\/2);}.elementor-5118 .elementor-element.elementor-element-159580e .elementor-icon-list-items.elementor-inline-items{margin-right:calc(-0px\/2);margin-left:calc(-0px\/2);}body.rtl .elementor-5118 .elementor-element.elementor-element-159580e .elementor-icon-list-items.elementor-inline-items .elementor-icon-list-item:after{left:calc(-0px\/2);}body:not(.rtl) .elementor-5118 .elementor-element.elementor-element-159580e .elementor-icon-list-items.elementor-inline-items .elementor-icon-list-item:after{right:calc(-0px\/2);}.elementor-5118 .elementor-element.elementor-element-159580e .elementor-icon-list-item{font-size:14px;font-weight:600;line-height:1.6em;}@media(max-width:1366px){.elementor-5118 .elementor-element.elementor-element-5d7bfaf .elementor-heading-title{font-size:20px;}.elementor-5118 .elementor-element.elementor-element-5d7bfaf > .elementor-widget-container{margin:0px 0px 0px 0px;}}@media(max-width:768px){.elementor-5118 .elementor-element.elementor-element-3da6d28{--padding-top:20px;--padding-bottom:20px;--padding-left:20px;--padding-right:20px;}.elementor-5118 .elementor-element.elementor-element-5d7bfaf .elementor-heading-title{font-size:18px;}.elementor-5118 .elementor-element.elementor-element-39e53a2 .elementor-icon-list-item{font-size:15px;}}<\/style>\t\t<div data-elementor-type=\"loop-item\" data-elementor-id=\"5118\" class=\"elementor elementor-5118 e-loop-item e-loop-item-10176 post-10176 personale type-personale status-publish has-post-thumbnail hentry\" data-elementor-post-type=\"elementor_library\" data-custom-edit-handle=\"1\">\n\t\t\t<div class=\"elementor-element elementor-element-3da6d28 e-con-full e-flex e-con e-parent\" data-id=\"3da6d28\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c4243f2 elementor-widget elementor-widget-theme-post-featured-image elementor-widget-image\" data-id=\"c4243f2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"theme-post-featured-image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"2048\" height=\"1365\" src=\"https:\/\/jakob-albertsen.dk\/wp-content\/uploads\/2025\/11\/foto-morten-fich-olsen.jpg\" class=\"attachment-full size-full wp-image-10123\" alt=\"\" srcset=\"https:\/\/jakob-albertsen.dk\/wp-content\/uploads\/2025\/11\/foto-morten-fich-olsen.jpg 2048w, https:\/\/jakob-albertsen.dk\/wp-content\/uploads\/2025\/11\/foto-morten-fich-olsen-500x333.jpg 500w, https:\/\/jakob-albertsen.dk\/wp-content\/uploads\/2025\/11\/foto-morten-fich-olsen-1000x667.jpg 1000w, https:\/\/jakob-albertsen.dk\/wp-content\/uploads\/2025\/11\/foto-morten-fich-olsen-768x512.jpg 768w, https:\/\/jakob-albertsen.dk\/wp-content\/uploads\/2025\/11\/foto-morten-fich-olsen-1536x1024.jpg 1536w\" sizes=\"(max-width: 2048px) 100vw, 2048px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5d7bfaf elementor-widget elementor-widget-theme-post-title elementor-page-title elementor-widget-heading\" data-id=\"5d7bfaf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"theme-post-title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Morten Fich-Olsen<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-39e53a2 elementor-align-center elementor-widget elementor-widget-post-info\" data-id=\"39e53a2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-f96e2ee\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-custom\">\n\t\t\t\t\t\t\t\t\t\tChairman\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-78962c1 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"78962c1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-159580e elementor-align-center elementor-widget elementor-widget-post-info\" data-id=\"159580e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-2807562\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-custom\">\n\t\t\t\t\t\t\t\t\t\t<a href=\"mailto:morten@jakob-albertsen.dk\">morten@jakob-albertsen.dk<\/a>\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-25f5d98\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-custom\">\n\t\t\t\t\t\t\t\t\t\t<a href=\"tel:40 55 40 57\">+45 40 55 40 57<\/a>\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div data-elementor-type=\"loop-item\" data-elementor-id=\"5118\" class=\"elementor elementor-5118 e-loop-item e-loop-item-10177 post-10177 personale type-personale status-publish has-post-thumbnail hentry\" data-elementor-post-type=\"elementor_library\" data-custom-edit-handle=\"1\">\n\t\t\t<div class=\"elementor-element elementor-element-3da6d28 e-con-full e-flex e-con e-parent\" data-id=\"3da6d28\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c4243f2 elementor-widget elementor-widget-theme-post-featured-image elementor-widget-image\" data-id=\"c4243f2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"theme-post-featured-image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"2048\" height=\"1365\" src=\"https:\/\/jakob-albertsen.dk\/wp-content\/uploads\/2025\/11\/foto-john-s-moritzen.jpg\" class=\"attachment-full size-full wp-image-10122\" alt=\"\" srcset=\"https:\/\/jakob-albertsen.dk\/wp-content\/uploads\/2025\/11\/foto-john-s-moritzen.jpg 2048w, https:\/\/jakob-albertsen.dk\/wp-content\/uploads\/2025\/11\/foto-john-s-moritzen-500x333.jpg 500w, https:\/\/jakob-albertsen.dk\/wp-content\/uploads\/2025\/11\/foto-john-s-moritzen-1000x667.jpg 1000w, https:\/\/jakob-albertsen.dk\/wp-content\/uploads\/2025\/11\/foto-john-s-moritzen-768x512.jpg 768w, https:\/\/jakob-albertsen.dk\/wp-content\/uploads\/2025\/11\/foto-john-s-moritzen-1536x1024.jpg 1536w\" sizes=\"(max-width: 2048px) 100vw, 2048px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5d7bfaf elementor-widget elementor-widget-theme-post-title elementor-page-title elementor-widget-heading\" data-id=\"5d7bfaf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"theme-post-title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">John S. Moritzen<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-39e53a2 elementor-align-center elementor-widget elementor-widget-post-info\" data-id=\"39e53a2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-f96e2ee\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-custom\">\n\t\t\t\t\t\t\t\t\t\tCEO\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-78962c1 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"78962c1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-159580e elementor-align-center elementor-widget elementor-widget-post-info\" data-id=\"159580e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-2807562\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-custom\">\n\t\t\t\t\t\t\t\t\t\t<a href=\"mailto:john@jakob-albertsen.dk\">john@jakob-albertsen.dk<\/a>\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-25f5d98\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-custom\">\n\t\t\t\t\t\t\t\t\t\t<a href=\"tel:40 15 38 39\">+45 40 15 38 39<\/a>\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-46e3767e light e-flex e-con-boxed e-con e-parent\" data-id=\"46e3767e\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-5c9bd4ce e-con-full e-flex elementor-invisible e-con e-child\" data-id=\"5c9bd4ce\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeInLeft&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-56106a99 e-con-full e-flex e-con e-child\" data-id=\"56106a99\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8b73058 e-con-full e-flex elementor-invisible e-con e-child\" data-id=\"8b73058\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeInRight&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-452df3ef e-con-full e-flex e-con e-child\" data-id=\"452df3ef\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6471972 prehead elementor-widget elementor-widget-text-editor\" data-id=\"6471972\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>JAKOB ALBERTSEN KOMPOSIT A\/S<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-55c2bae7 elementor-widget elementor-widget-text-editor\" data-id=\"55c2bae7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Coating systems for C3 and C4 corrosion protection<\/h3><p>To achieve certified protection according to ISO 12944-6, the following coating systems are recommended:<\/p><p><strong>C3 \u2013 Moderate corrosion protection<\/strong><\/p><p>Typical systems for C3 environments have a total layer thickness of 120-180 \u00b5m and can consist of:<\/p><p>1. Pre-treatment:<\/p><ul><li>Sandblasting (Sa 2\u00bd according to ISO 8501-1) or chemical cleaning to remove rust and contamination.<\/li><li>Sponge-Jet blasting of sensitive areas to remove rust and contamination.<\/li><\/ul><p>2. Coating structure:<\/p><ul><li>Primer: Epoxy-based zinc-containing primer (50-80 \u00b5m) for active corrosion protection.<\/li><li>Intermediate layer: Epoxy or acrylic-based intermediate coat (50-100 \u00b5m) for mechanical strength.<\/li><li>Topcoat: Polyurethane or polysiloxane (40-60 \u00b5m) for UV and chemical resistance.<\/li><\/ul><p><strong>C4 \u2013 High corrosion protection<\/strong><\/p><p>In C4 environments, a higher total layer thickness of 180-240 \u00b5m and more advanced coating systems are required:<\/p><p>1. Pre-treatment:<\/p><ul><li>Sandblasting to Sa 2\u00bd for optimal surface roughness.<\/li><li>Sponge-Jet blasting for sensitive areas.<\/li><\/ul><p>2. Coating structure:<\/p><ul><li>Primer: Zinc-rich epoxy (80-100 \u00b5m) for strong cathodic protection.<\/li><li>Intermediate layer: High-solids epoxy (80-120 \u00b5m) for chemical and mechanical resistance.<\/li><li>Topcoat: Polyurethane or fluoropolymer (50-80 \u00b5m) for optimal weather resistance.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-50753de5 cta elementor-mobile-align-justify elementor-widget-mobile__width-inherit elementor-widget elementor-widget-button\" data-id=\"50753de5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/jakob-albertsen.dk\/en\/contact\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Contact us<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-420f4686 e-flex e-con-boxed e-con e-parent\" data-id=\"420f4686\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-be46aca e-con-full e-flex elementor-invisible e-con e-child\" data-id=\"be46aca\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeInLeft&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-698e55fe e-con-full e-flex e-con e-child\" data-id=\"698e55fe\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7222259f prehead elementor-widget elementor-widget-text-editor\" data-id=\"7222259f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>JAKOB ALBERTSEN KOMPOSIT A\/S<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4e268b2f elementor-widget elementor-widget-text-editor\" data-id=\"4e268b2f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Lifetime assessment and maintenance<\/h2><p>ISO 12944 also specifies the expected service life of coating systems:<\/p><ul><li>Short (0-5 years) \u2013 Minimal protection, requires frequent maintenance.<\/li><li>Medium (5-15 years) \u2013 Standard choice for many industrial applications.<\/li><li>Long (&gt; 15 years) \u2013 Recommended for exposed steel structures with high requirements for service life.<\/li><\/ul><p>For C3 environments, a medium lifespan system (5-15 years) is often sufficient, while C4 environments require more robust protection, where a long lifespan (&gt; 15 years) can significantly reduce maintenance costs.<\/p><h3>Areas of application for C3 and C4 protection<\/h3><p>\u2714 C3 environments: Warehouses, workshops, treatment plants, ventilation systems.<br>\u2714 C4 environments: Refineries, bridges, chemical plants, power plants, offshore structures close to the coastline.<\/p><p>At Jakob Albertsen Komposit A\/S, we offer custom coating systems according to ISO 12944, ensuring that your structures receive the best possible corrosion protection.<\/p><p>Contact us for professional advice on the right C3 or C4 corrosion protection for your project.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-45418cb8 e-con-full e-flex elementor-invisible e-con e-child\" data-id=\"45418cb8\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeInRight&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-158793b e-con-full e-flex e-con e-child\" data-id=\"158793b\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3d678f8 light e-flex e-con-boxed e-con e-parent\" data-id=\"3d678f8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-481ae9a0 e-con-full e-flex e-con e-child\" data-id=\"481ae9a0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bbf24e2 elementor-align-right elementor-invisible elementor-widget elementor-widget-button\" data-id=\"bbf24e2\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInRight&quot;}\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/jakob-albertsen.dk\/en\/references-2\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">See our references<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-795b7632 elementor-widget elementor-widget-gallery\" data-id=\"795b7632\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;lazyload&quot;:&quot;yes&quot;,&quot;gallery_layout&quot;:&quot;grid&quot;,&quot;columns&quot;:4,&quot;columns_tablet&quot;:2,&quot;columns_mobile&quot;:1,&quot;gap&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:10,&quot;sizes&quot;:[]},&quot;gap_laptop&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:10,&quot;sizes&quot;:[]},&quot;gap_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:10,&quot;sizes&quot;:[]},&quot;gap_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:10,&quot;sizes&quot;:[]},&quot;link_to&quot;:&quot;file&quot;,&quot;aspect_ratio&quot;:&quot;3:2&quot;,&quot;overlay_background&quot;:&quot;yes&quot;,&quot;content_hover_animation&quot;:&quot;fade-in&quot;}\" data-widget_type=\"gallery.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-gallery__container\">\n\t\t\t\t\t\t\t<a class=\"e-gallery-item elementor-gallery-item elementor-animated-content\" href=\"https:\/\/jakob-albertsen.dk\/wp-content\/uploads\/2025\/11\/istock-1254562569.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"795b7632\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTExMzAsInVybCI6Imh0dHBzOlwvXC9qYWtvYi1hbGJlcnRzZW4uZGtcL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjVcLzExXC9pc3RvY2stMTI1NDU2MjU2OS5qcGciLCJzbGlkZXNob3ciOiI3OTViNzYzMiJ9\" data-rel=\"-image-0\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\">\n\t\t\t\t\t<div class=\"e-gallery-image elementor-gallery-item__image\" data-thumbnail=\"https:\/\/jakob-albertsen.dk\/wp-content\/uploads\/2025\/11\/istock-1254562569.jpg\" data-width=\"1537\" data-height=\"683\" aria-label=\"\" role=\"img\" ><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-gallery-item__overlay\"><\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<a class=\"e-gallery-item elementor-gallery-item elementor-animated-content\" href=\"https:\/\/jakob-albertsen.dk\/wp-content\/uploads\/2025\/11\/istock-1304210662-1.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"795b7632\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTEwNTUsInVybCI6Imh0dHBzOlwvXC9qYWtvYi1hbGJlcnRzZW4uZGtcL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjVcLzExXC9pc3RvY2stMTMwNDIxMDY2Mi0xLmpwZyIsInNsaWRlc2hvdyI6Ijc5NWI3NjMyIn0%3D\" data-rel=\"-image-1\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\">\n\t\t\t\t\t<div class=\"e-gallery-image elementor-gallery-item__image\" data-thumbnail=\"https:\/\/jakob-albertsen.dk\/wp-content\/uploads\/2025\/11\/istock-1304210662-1.jpg\" data-width=\"1254\" data-height=\"836\" aria-label=\"\" role=\"img\" ><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-gallery-item__overlay\"><\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<a class=\"e-gallery-item elementor-gallery-item elementor-animated-content\" href=\"https:\/\/jakob-albertsen.dk\/wp-content\/uploads\/2025\/11\/istock-1254562578.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"795b7632\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTEwNTQsInVybCI6Imh0dHBzOlwvXC9qYWtvYi1hbGJlcnRzZW4uZGtcL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjVcLzExXC9pc3RvY2stMTI1NDU2MjU3OC5qcGciLCJzbGlkZXNob3ciOiI3OTViNzYzMiJ9\" data-rel=\"-image-2\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\">\n\t\t\t\t\t<div class=\"e-gallery-image elementor-gallery-item__image\" data-thumbnail=\"https:\/\/jakob-albertsen.dk\/wp-content\/uploads\/2025\/11\/istock-1254562578.jpg\" data-width=\"1537\" data-height=\"683\" aria-label=\"\" role=\"img\" ><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-gallery-item__overlay\"><\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<a class=\"e-gallery-item elementor-gallery-item elementor-animated-content\" href=\"https:\/\/jakob-albertsen.dk\/wp-content\/uploads\/2025\/11\/istock-696242854.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"795b7632\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTExMzEsInVybCI6Imh0dHBzOlwvXC9qYWtvYi1hbGJlcnRzZW4uZGtcL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjVcLzExXC9pc3RvY2stNjk2MjQyODU0LmpwZyIsInNsaWRlc2hvdyI6Ijc5NWI3NjMyIn0%3D\" data-rel=\"-image-3\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\">\n\t\t\t\t\t<div class=\"e-gallery-image elementor-gallery-item__image\" data-thumbnail=\"https:\/\/jakob-albertsen.dk\/wp-content\/uploads\/2025\/11\/istock-696242854.jpg\" data-width=\"1266\" data-height=\"829\" aria-label=\"\" role=\"img\" ><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-gallery-item__overlay\"><\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7c0755b dark e-flex e-con-boxed e-con e-parent\" data-id=\"7c0755b\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;video&quot;,&quot;background_video_link&quot;:&quot;https:\\\/\\\/gostmediaserviceprod.blob.core.windows.net\\\/asset-bdcc4ee6-e1cd-4adb-838f-a1a09d05dd67\\\/GettyImages-1515189555_1920x1080_6000k.mp4&quot;,&quot;background_play_on_mobile&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-background-video-container\">\n\t\t\t\t\t\t\t<video class=\"elementor-background-video-hosted\" role=\"presentation\" autoplay muted playsinline loop><\/video>\n\t\t\t\t\t<\/div><div class=\"elementor-element elementor-element-74451cd8 e-con-full e-flex e-con e-child\" data-id=\"74451cd8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-28470d8b e-con-full dark e-flex elementor-invisible e-con e-child\" data-id=\"28470d8b\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;animation&quot;:&quot;bounceInUp&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-7dfc3563 e-con-full e-flex e-con e-child\" data-id=\"7dfc3563\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-117ade4d elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"117ade4d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"2048\" height=\"1365\" src=\"https:\/\/jakob-albertsen.dk\/wp-content\/uploads\/2025\/11\/foto-morten-fich-olsen.jpg\" class=\"attachment-full size-full wp-image-11106\" alt=\"\" srcset=\"https:\/\/jakob-albertsen.dk\/wp-content\/uploads\/2025\/11\/foto-morten-fich-olsen.jpg 2048w, https:\/\/jakob-albertsen.dk\/wp-content\/uploads\/2025\/11\/foto-morten-fich-olsen-500x333.jpg 500w, https:\/\/jakob-albertsen.dk\/wp-content\/uploads\/2025\/11\/foto-morten-fich-olsen-1000x667.jpg 1000w, https:\/\/jakob-albertsen.dk\/wp-content\/uploads\/2025\/11\/foto-morten-fich-olsen-768x512.jpg 768w, https:\/\/jakob-albertsen.dk\/wp-content\/uploads\/2025\/11\/foto-morten-fich-olsen-1536x1024.jpg 1536w\" sizes=\"(max-width: 2048px) 100vw, 2048px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-13deb82d e-con-full e-flex e-con e-child\" data-id=\"13deb82d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ee59f56 elementor-widget elementor-widget-text-editor\" data-id=\"ee59f56\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Do you have any questions or would you like a non-binding offer?<\/h3><p>Contact us today for competent sparring and advice on your assignment.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4de95f65 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"4de95f65\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-42999be8 elementor-widget elementor-widget-shortcode\" data-id=\"42999be8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\"><form id=\"forminator-module-66\" class=\"forminator-custom-form forminator-custom-form-66\" method=\"post\" data-forminator-render=\"0\" data-uid=\"6a8e93947a9be\"><div role=\"alert\" aria-live=\"polite\" class=\"forminator-response-message forminator-error\" aria-hidden=\"true\"><\/div><\/form><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-120d52e2 e-con-full e-flex e-con e-child\" data-id=\"120d52e2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-51197031 prehead elementor-widget elementor-widget-text-editor\" data-id=\"51197031\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>JAKOB ALBERTSEN KOMPOSIT A\/S<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7702cbdc elementor-widget elementor-widget-text-editor\" data-id=\"7702cbdc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Contact us for advice on tank coating<\/h2><p>Do you need professional tank coating in Denmark or internationally? We are ready to provide technical advice, assessment of your ideas and a non-binding offer. You can <a href=\"https:\/\/jakob-albertsen.dk\/kontakt\/\">contact us<\/a> by calling <a href=\"tel:+45 62 20 20 58\">+45 62 20 20 58<\/a> or sending an email to <a href=\"mailto:mail@jakob-albertsen.dk\">mail@jakob-albertsen.dk<\/a> .<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-40b08ada elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"40b08ada\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-58134cd2 elementor-view-stacked elementor-widget__width-initial elementor-widget-tablet__width-inherit elementor-position-inline-start elementor-laptop-position-inline-start elementor-shape-circle elementor-mobile-position-block-start elementor-widget elementor-widget-icon-box\" data-id=\"58134cd2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span  class=\"elementor-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"fal fa-check-circle\"><\/i>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h3 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tCertified quality and high operational reliability\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\tThree ISO standards and international accreditations ensure stable, documented quality.\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5de26322 elementor-view-stacked elementor-widget__width-initial elementor-widget-tablet__width-inherit elementor-position-inline-start elementor-laptop-position-inline-start elementor-shape-circle elementor-mobile-position-block-start elementor-widget elementor-widget-icon-box\" data-id=\"5de26322\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span  class=\"elementor-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"fal fa-cogs\"><\/i>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h3 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tAdvanced niche solutions based on 120 years of experience\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\tThe combination of historical expertise and modern technology provides technically strong special solutions.\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-13fa773d elementor-view-stacked elementor-widget__width-initial elementor-widget-tablet__width-inherit elementor-position-inline-start elementor-laptop-position-inline-start elementor-shape-circle elementor-mobile-position-block-start elementor-widget elementor-widget-icon-box\" data-id=\"13fa773d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span  class=\"elementor-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"fal fa-leaf\"><\/i>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h3 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tInnovative and sustainable coating technologies\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\tUnique partnerships and a focus on low environmental footprint create effective and future-proof solutions.\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Corrosion protection according to C3 and C4 Corrosion classes C3 and C4, as defined in ISO 12944, describe environments with moderate to high corrosion stress. Correct selection of coating system and surface treatment is essential to ensure long service life and reduce maintenance costs in these environments. What do C3 and C4 corrosion classes mean? &#8230; <a title=\"John S. Moritzen\" class=\"read-more\" href=\"https:\/\/jakob-albertsen.dk\/en\/personale\/john-s-moritzen\/\" aria-label=\"Read more about John S. Moritzen\">Read more<\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"parent":0,"menu_order":1013,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"class_list":["post-11232","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>C3\/C4 | JAKOB ALBERTSEN KOMPOSIT A\/S<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jakob-albertsen.dk\/en\/c3-c4\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C3\/C4 | JAKOB ALBERTSEN KOMPOSIT A\/S\" \/>\n<meta property=\"og:description\" content=\"Corrosion protection according to C3 and C4 Corrosion classes C3 and C4, as defined in ISO 12944, describe environments with moderate to high corrosion stress. Correct selection of coating system and surface treatment is essential to ensure long service life and reduce maintenance costs in these environments. What do C3 and C4 corrosion classes mean? ... 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