{"id":70,"date":"2025-07-02T18:00:34","date_gmt":"2025-07-02T18:00:34","guid":{"rendered":"https:\/\/www-new.cardolite.com\/?page_id=70"},"modified":"2026-03-12T16:05:50","modified_gmt":"2026-03-12T16:05:50","slug":"nco-blocking","status":"publish","type":"page","link":"https:\/\/www.cardolite.com\/zh\/nco-blocking\/","title":{"rendered":"NCO Blocking Agent"},"content":{"rendered":"<div id='full_slider_1'  class='avia-fullwidth-slider main_color avia-shadow av-small-hide av-mini-hide  avia-builder-el-0  el_before_av_slideshow_full  avia-builder-el-first   container_wrap sidebar_right'  ><div  class='avia-slideshow av-mek44ccr-b08603005496c66496b8afcaf4d2d0ef avia-slideshow-featured av_slideshow_full avia-slide-slider av-small-hide av-mini-hide av-slideshow-ui av-control-default av-slideshow-manual av-loop-once av-loop-manual-endless av-default-height-applied   avia-slideshow-1' data-slideshow-options=\"{&quot;animation&quot;:&quot;slide&quot;,&quot;autoplay&quot;:false,&quot;loop_autoplay&quot;:&quot;once&quot;,&quot;interval&quot;:5,&quot;loop_manual&quot;:&quot;manual-endless&quot;,&quot;autoplay_stopper&quot;:false,&quot;noNavigation&quot;:false,&quot;bg_slider&quot;:false,&quot;keep_padding&quot;:false,&quot;hoverpause&quot;:false,&quot;show_slide_delay&quot;:0}\"  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><ul class='avia-slideshow-inner' style='padding-bottom: 28.666666666667%;'><li  class='avia-slideshow-slide av-mek44ccr-b08603005496c66496b8afcaf4d2d0ef__0  av-single-slide slide-1 slide-odd'><div data-rel='slideshow-1' class='avia-slide-wrap'   ><div class='av-slideshow-caption av-mek44ccr-b08603005496c66496b8afcaf4d2d0ef__0 caption_fullwidth caption_left'><div class=\"container caption_container\"><div class=\"slideshow_caption\"><div class=\"slideshow_inner_caption\"><div class=\"slideshow_align_caption\"><h2 class='avia-caption-title'  itemprop=\"name\" >NCO Blocking Agent<\/h2><\/div><\/div><\/div><\/div><\/div><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-2651 avia-img-lazy-loading-not-2651\"  src=\"https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/08\/White-Drum-with-label-1500x630-1-1500x430.jpg\" width=\"1500\" height=\"430\" title='' alt=''  itemprop=\"thumbnailUrl\"   \/><div class='av-section-color-overlay' style='opacity: 0.5; background-color: #183563; '><\/div><\/div><\/li><\/ul><\/div><\/div>\n<div id='full_slider_2'  class='avia-fullwidth-slider main_color avia-shadow av-desktop-hide av-medium-hide  avia-builder-el-1  el_after_av_slideshow_full  el_before_av_one_fifth   slider-not-first container_wrap sidebar_right'  ><div  class='avia-slideshow av-mek454q0-51dc172eeb505e61c2a5c6f1ef371151 avia-slideshow-featured av_slideshow_full avia-slide-slider av-desktop-hide av-medium-hide av-slideshow-ui av-control-default av-slideshow-manual av-loop-once av-loop-manual-endless av-default-height-applied   avia-slideshow-2' data-slideshow-options=\"{&quot;animation&quot;:&quot;slide&quot;,&quot;autoplay&quot;:false,&quot;loop_autoplay&quot;:&quot;once&quot;,&quot;interval&quot;:5,&quot;loop_manual&quot;:&quot;manual-endless&quot;,&quot;autoplay_stopper&quot;:false,&quot;noNavigation&quot;:false,&quot;bg_slider&quot;:false,&quot;keep_padding&quot;:false,&quot;hoverpause&quot;:false,&quot;show_slide_delay&quot;:0}\"  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><ul class='avia-slideshow-inner' style='padding-bottom: 43%;'><li  class='avia-slideshow-slide av-mek454q0-51dc172eeb505e61c2a5c6f1ef371151__0  av-single-slide slide-1 slide-odd'><div data-rel='slideshow-2' class='avia-slide-wrap'   ><div class='av-slideshow-caption av-mek454q0-51dc172eeb505e61c2a5c6f1ef371151__0 caption_fullwidth caption_left'><div class=\"container caption_container\"><div class=\"slideshow_caption\"><div class=\"slideshow_inner_caption\"><div class=\"slideshow_align_caption\"><h2 class='avia-caption-title'  itemprop=\"name\" >NCO Blocking Agent<\/h2><\/div><\/div><\/div><\/div><\/div><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-2652 avia-img-lazy-loading-not-2652\"  src=\"https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/08\/White-Drum-with-label-16-9-1000x430.jpg\" width=\"1000\" height=\"430\" title='' alt=''  itemprop=\"thumbnailUrl\"   \/><div class='av-section-color-overlay' style='opacity: 0.5; background-color: #183563; '><\/div><\/div><\/li><\/ul><\/div><\/div><div id='after_full_slider_2'  class='main_color av_default_container_wrap container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-70'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-av_one_fifth-2d22dc0500e159f2b39fe7a147caf14c av_one_fifth  avia-builder-el-2  el_after_av_slideshow_full  el_before_av_three_fifth  avia-builder-el-first  first flex_column_div'     ><\/div>\n<div  class='flex_column av-av_three_fifth-3b0d446bf9e6f7db91541aa567be4cdf av_three_fifth  avia-builder-el-3  el_after_av_one_fifth  el_before_av_one_fifth  flex_column_div'     ><section  class='av_textblock_section av-mevo8ayy-76ba38b6a453a40f730d49372572247b'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><div style=\"text-align: justify;\">\n<h2 style=\"text-align: center;\">Cardolite NX-2026<\/h2>\n<div><\/div>\n<\/div>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mj0hxhsd-23c699a961a0a61772105d0c9a48c9d0\">\n#top .hr.hr-invisible.av-mj0hxhsd-23c699a961a0a61772105d0c9a48c9d0{\nheight:15px;\n}\n<\/style>\n<div  class='hr av-mj0hxhsd-23c699a961a0a61772105d0c9a48c9d0 hr-invisible  avia-builder-el-5  el_after_av_textblock  el_before_av_textblock'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<section  class='av_textblock_section av-mmnnia6a-2aff8195a86a968e3c9fd22d035ab485'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><div style=\"text-align: justify;\">\n<p>NX-2026 is a very high purity type of cardanol pioneered by Cardolite which can be used as an isocyanate blocking agent in polyurethane pre-polymers. This material is the preferred alternative to various other phenols and alkylphenols based on its favorable de-blocking conditions, low viscosity, and better labeling.<\/p>\n<p><a class=\"bold-link arrow-link\" href=\"\/zh\/technical-documents-retrieval\/?product=NX-2026\">View TDS\/MSDS<\/a><\/div>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mmnniocg-01f0c727f64d3eafb4eed1d4e6aa59ca\">\n.avia-image-container.av-mmnniocg-01f0c727f64d3eafb4eed1d4e6aa59ca img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-mmnniocg-01f0c727f64d3eafb4eed1d4e6aa59ca .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-mmnniocg-01f0c727f64d3eafb4eed1d4e6aa59ca av-styling- avia-align-center  avia-builder-el-7  el_after_av_textblock  el_before_av_textblock'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-3017 avia-img-lazy-loading-not-3017 avia_image' src=\"https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/08\/Cardanol-structure-web-scaled.png\" alt='Cardanol chemical structure' title=''  height=\"986\" width=\"2560\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/08\/Cardanol-structure-web-scaled.png 2560w, https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/08\/Cardanol-structure-web-300x116.png 300w, https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/08\/Cardanol-structure-web-1030x397.png 1030w, https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/08\/Cardanol-structure-web-768x296.png 768w, https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/08\/Cardanol-structure-web-1536x592.png 1536w, https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/08\/Cardanol-structure-web-2048x789.png 2048w, https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/08\/Cardanol-structure-web-1500x578.png 1500w, https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/08\/Cardanol-structure-web-705x272.png 705w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-mhwe08ma-1e4e1d3535f5587639c4532d27e70cb2'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h5>Deblocking conditions by isocyanate:<\/h5>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mhwd5oka-b522723e57e99e67b248c5219ab300dc\">\n#top .togglecontainer.av-mhwd5oka-b522723e57e99e67b248c5219ab300dc p.toggler.activeTitle{\ncolor:#ffffff;\nborder-color:#ffffff;\nbackground-color:#576788;\n}\n#top .togglecontainer.av-mhwd5oka-b522723e57e99e67b248c5219ab300dc p.toggler:not(.activeTitle):hover{\ncolor:#80bc50;\n}\n#top .togglecontainer.av-mhwd5oka-b522723e57e99e67b248c5219ab300dc p.toggler:not(.activeTitle):hover .toggle_icon, #top .togglecontainer.av-mhwd5oka-b522723e57e99e67b248c5219ab300dc p.toggler:not(.activeTitle):hover .toggle_icon *{\nborder-color:#80bc50 !important;\n}\n#top .togglecontainer.av-mhwd5oka-b522723e57e99e67b248c5219ab300dc p.toggler .toggle_icon{\ncolor:#80bc50;\nborder-color:#80bc50;\n}\n#top .togglecontainer.av-mhwd5oka-b522723e57e99e67b248c5219ab300dc p.toggler .toggle_icon > span{\ncolor:#80bc50;\nborder-color:#80bc50;\n}\n#top .togglecontainer.av-mhwd5oka-b522723e57e99e67b248c5219ab300dc p.toggler.activeTitle .toggle_icon, #top .togglecontainer.av-mhwd5oka-b522723e57e99e67b248c5219ab300dc p.toggler.activeTitle .toggle_icon > span{\ncolor:#ffffff;\nborder-color:#ffffff;\n}\n<\/style>\n<div  class='togglecontainer av-mhwd5oka-b522723e57e99e67b248c5219ab300dc av-elegant-toggle  avia-builder-el-9  el_after_av_textblock  avia-builder-el-last  toggle_close_all' >\n<section class='av_toggle_section av-mhwd11v4-b7f07c7ff1b9193d0bfa824fd504f6a1'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-1' data-fake-id='#toggle-id-1' class='toggler  av-title-above'  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-1' data-slide-speed=\"200\" data-title=\"TDI\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: TDI\" data-aria_expanded=\"Click to collapse: TDI\">TDI<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-1' aria-labelledby='toggle-toggle-id-1' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color'  itemprop=\"text\" ><style>\n\/* Scoped table styling to override Enfold defaults *\/\n.custom-table tbody tr {\n  background-color: transparent !important;\n}\n.custom-table td, .custom-table th {\n  background-color: transparent !important;\n  color: #183563 !important; \/* body & header text color *\/\n  text-align: center !important; \/* all columns centered *\/\n  padding: 6px 8px !important; \/* optional spacing *\/\n}\n.custom-table th {\n  font-weight: bold !important;\n  text-transform: none !important;\n  color: #183563 !important;\n}\n<\/style>\n<table class=\"custom-table\" style=\"width: 100%; border-collapse: collapse;\">\n<thead>\n<tr>\n<th>Blocking Agent<\/th>\n<th>Prepolymer Appearance<\/th>\n<th>Deblock Temperature (\u00b0C)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>NX-2026<\/td>\n<td>Yellow liquid<\/td>\n<td>115<\/td>\n<\/tr>\n<tr>\n<td>Phenol<\/td>\n<td>White solid<\/td>\n<td>164<\/td>\n<\/tr>\n<tr>\n<td>Nonyl Phenol<\/td>\n<td>Thick liquid<\/td>\n<td>185<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-mhwdepei-f53815cbde0ca3a7acedf547936db65a'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-2' data-fake-id='#toggle-id-2' class='toggler  av-title-above'  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-2' data-slide-speed=\"200\" data-title=\"MDI\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: MDI\" data-aria_expanded=\"Click to collapse: MDI\">MDI<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-2' aria-labelledby='toggle-toggle-id-2' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color'  itemprop=\"text\" ><style>\n\/* Scoped table styling to override Enfold defaults *\/\n.custom-table tbody tr {\n  background-color: transparent !important;\n}\n.custom-table td, .custom-table th {\n  background-color: transparent !important;\n  color: #183563 !important; \/* body & header text color *\/\n  text-align: center !important; \/* all columns centered *\/\n  padding: 6px 8px !important; \/* optional spacing *\/\n}\n.custom-table th {\n  font-weight: bold !important;\n  text-transform: none !important;\n  color: #183563 !important;\n}\n<\/style>\n<table class=\"custom-table\" style=\"width: 100%; border-collapse: collapse;\">\n<thead>\n<tr>\n<th>Blocking Agent<\/th>\n<th>Prepolymer Appearance<\/th>\n<th>Deblock Temperature (\u00b0C)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>NX-2026<\/td>\n<td>Yellow waxy solid<\/td>\n<td>145<\/td>\n<\/tr>\n<tr>\n<td>Phenol<\/td>\n<td>White solid<\/td>\n<td>204<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-mhwe4s24-5c196555f396cdf900293259a1c4fd09'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-3' data-fake-id='#toggle-id-3' class='toggler  av-title-above'  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-3' data-slide-speed=\"200\" data-title=\"HMDI\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: HMDI\" data-aria_expanded=\"Click to collapse: HMDI\">HMDI<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-3' aria-labelledby='toggle-toggle-id-3' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color'  itemprop=\"text\" ><style>\n\/* Scoped table styling to override Enfold defaults *\/\n.custom-table tbody tr {\n  background-color: transparent !important;\n}\n.custom-table td, .custom-table th {\n  background-color: transparent !important;\n  color: #183563 !important; \/* body & header text color *\/\n  text-align: center !important; \/* all columns centered *\/\n  padding: 6px 8px !important; \/* optional spacing *\/\n}\n.custom-table th {\n  font-weight: bold !important;\n  text-transform: none !important;\n  color: #183563 !important;\n}\n<\/style>\n<table class=\"custom-table\" style=\"width: 100%; border-collapse: collapse;\">\n<thead>\n<tr>\n<th>Blocking Agent<\/th>\n<th>Prepolymer Appearance<\/th>\n<th>Deblock Temperature (\u00b0C)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>NX-2026<\/td>\n<td>Amber Liquid<\/td>\n<td>155<\/td>\n<\/tr>\n<tr>\n<td>Phenol<\/td>\n<td>White solid<\/td>\n<td>160<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-mhwe4wro-1544f6fc951da8a9ade5520813e91afb'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-4' data-fake-id='#toggle-id-4' class='toggler  av-title-above'  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-4' data-slide-speed=\"200\" data-title=\"IPDI\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: IPDI\" data-aria_expanded=\"Click to collapse: IPDI\">IPDI<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-4' aria-labelledby='toggle-toggle-id-4' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color'  itemprop=\"text\" ><style>\n\/* Scoped table styling to override Enfold defaults *\/\n.custom-table tbody tr {\n  background-color: transparent !important;\n}\n.custom-table td, .custom-table th {\n  background-color: transparent !important;\n  color: #183563 !important; \/* body & header text color *\/\n  text-align: center !important; \/* all columns centered *\/\n  padding: 6px 8px !important; \/* optional spacing *\/\n}\n.custom-table th {\n  font-weight: bold !important;\n  text-transform: none !important;\n  color: #183563 !important;\n}\n<\/style>\n<table class=\"custom-table\" style=\"width: 100%; border-collapse: collapse;\">\n<thead>\n<tr>\n<th>Blocking Agent<\/th>\n<th>Prepolymer Appearance<\/th>\n<th>Deblock Temperature (\u00b0C)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>NX-2026<\/td>\n<td>Yellow liquid<\/td>\n<td>130<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div><\/div><\/section>\n<\/div><\/p><\/div><div  class='flex_column av-av_one_fifth-3b0d446bf9e6f7db91541aa567be4cdf av_one_fifth  avia-builder-el-10  el_after_av_three_fifth  el_before_av_section  avia-builder-el-last  flex_column_div'     ><\/div><\/p>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mmnnpns7-eaa5b4463ec2e7cbb290d0cd3ba4f0bd\">\n.avia-section.av-mmnnpns7-eaa5b4463ec2e7cbb290d0cd3ba4f0bd{\nbackground-color:#f8f8f8;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_1'  class='avia-section av-mmnnpns7-eaa5b4463ec2e7cbb290d0cd3ba4f0bd main_color avia-section-default avia-no-border-styling  avia-builder-el-11  el_after_av_one_fifth  el_before_av_section  avia-bg-style-scroll container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-70'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-av_one_fifth-2d22dc0500e159f2b39fe7a147caf14c av_one_fifth  avia-builder-el-12  el_before_av_three_fifth  avia-builder-el-first  first flex_column_div'     ><\/div><div  class='flex_column av-l6ee-796919569f09d86e37e7251a074b587d av_three_fifth  avia-builder-el-13  el_after_av_one_fifth  el_before_av_one_fifth  flex_column_div'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2vwu-593de1c716e1646c40ac814b671a37e7\">\n#top .av_textblock_section.av-2vwu-593de1c716e1646c40ac814b671a37e7 .avia_textblock{\ncolor:#183563;\n}\n<\/style>\n<section  class='av_textblock_section av-2vwu-593de1c716e1646c40ac814b671a37e7'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><h2 style=\"text-align: center;\">Isocyanate Blocking Technology<\/h2>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-miensrkr-b7640192b24b608988241025dcbd543a\">\n#top .hr.hr-invisible.av-miensrkr-b7640192b24b608988241025dcbd543a{\nheight:15px;\n}\n<\/style>\n<div  class='hr av-miensrkr-b7640192b24b608988241025dcbd543a hr-invisible  avia-builder-el-15  el_after_av_textblock  el_before_av_textblock'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mf5p68mo-42726f357676364f374a13938c7b0482\">\n#top .av_textblock_section.av-mf5p68mo-42726f357676364f374a13938c7b0482 .avia_textblock{\ncolor:#183563;\n}\n<\/style>\n<section  class='av_textblock_section av-mf5p68mo-42726f357676364f374a13938c7b0482'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><div style=\"text-align: justify;\">Blocked isocyanate polyurethane prepolymers enable 1K polyurethane systems or modifier resins that offer lower free isocyanate content, improved storage stability, and reduced moisture sensitivity. These systems provide the convenience of single-component formulations while maintaining strong mechanical properties and chemical resistance after cure.<\/div>\n<p>In coatings, they deliver excellent performance with fewer health risks and are widely applied across multiple technologies:<\/p>\n<ul>\n<li>Liquid epoxy coatings<\/li>\n<li>Electro-deposition and electrostatic spray coatings<\/li>\n<li>Powder and coil coatings<\/li>\n<li>Wire insulation and other heat-cured protective finishes<\/li>\n<\/ul>\n<p>In adhesives and sealants, blocked prepolymers play a key role in enhancing versatility and adhesion performance:<\/p>\n<ul>\n<li>Epoxy-amine hybrid adhesives<\/li>\n<li>Hotmelts and pressure-sensitive adhesives<\/li>\n<li>High-strength sealants for industrial applications<\/li>\n<\/ul>\n<p>Blocking agents such as MEKO, alcohols, \u025b-caprolactam, amides, imidazoles, and pyrazoles determine both the curing profile and final coating properties. With growing health and regulatory concerns around traditional phenols, formulators are increasingly transitioning to safer, cost-effective alternatives that maintain performance without compromising worker safety.<\/p>\n<\/div><\/section><\/p><\/div><div  class='flex_column av-av_one_fifth-3b0d446bf9e6f7db91541aa567be4cdf av_one_fifth  avia-builder-el-17  el_after_av_three_fifth  avia-builder-el-last  flex_column_div'     ><\/div><\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='av_section_2'  class='avia-section av-mmnnmoj8-ab7c35bde2c059c37a6a0b49a5aef500 main_color avia-section-default avia-no-border-styling  avia-builder-el-18  el_after_av_section  el_before_av_section  avia-bg-style-scroll container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-70'><div class='entry-content-wrapper clearfix'>\n<section  class='av_textblock_section av-mfe23ojo-16c42bad4a526871cf32338cb1bea9be'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h2>Polyurethane Offering<\/h2>\n<\/div><\/section>\n<div class='flex_column_table av-mhntv0xa-171ad9cf9b07123e9f754b23bc08a9f5 sc-av_one_third av-equal-height-column-flextable'><div  class='flex_column av-mhntv0xa-171ad9cf9b07123e9f754b23bc08a9f5 av_one_third  avia-builder-el-20  el_after_av_textblock  el_before_av_one_third  column-shadow my-mobile-padding first flex_column_table_cell av-equal-height-column av-align-top avia-link-column av-column-link  column-top-margin'    data-link-column-url=\"https:\/\/www.cardolite.com\/zh\/polyurethane-products\/\"   ><a class=\"av-screen-reader-only\" href=\"https:\/\/www.cardolite.com\/zh\/polyurethane-products\/\" >Link to: Polyurethane Products<\/a><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mhnu1mh3-0148c32fa9b8abc695def377b6798b9e\">\n.avia-image-container.av-mhnu1mh3-0148c32fa9b8abc695def377b6798b9e img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-mhnu1mh3-0148c32fa9b8abc695def377b6798b9e .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-mhnu1mh3-0148c32fa9b8abc695def377b6798b9e av-styling-no-styling avia-align-center  avia-builder-el-21  el_before_av_textblock  avia-builder-el-first'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-2651 avia-img-lazy-loading-not-2651 avia_image' src=\"https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/08\/White-Drum-with-label-1500x630-1.jpg\" alt='' title=''  height=\"630\" width=\"1500\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/08\/White-Drum-with-label-1500x630-1.jpg 1500w, https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/08\/White-Drum-with-label-1500x630-1-300x126.jpg 300w, https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/08\/White-Drum-with-label-1500x630-1-1030x433.jpg 1030w, https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/08\/White-Drum-with-label-1500x630-1-768x323.jpg 768w, https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/08\/White-Drum-with-label-1500x630-1-705x296.jpg 705w\" sizes=\"(max-width: 1500px) 100vw, 1500px\" \/><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mhntz58f-62cc6964c3cadbd5dc82271aee137494\">\n\n@media only screen and (min-width: 990px){ \n#top .av_textblock_section.av-mhntz58f-62cc6964c3cadbd5dc82271aee137494 .avia_textblock{\nfont-size:14px;\n}\n}\n<\/style>\n<section  class='av_textblock_section av-mhntz58f-62cc6964c3cadbd5dc82271aee137494'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3 style=\"text-align: left; margin-top: 30px; margin-left: 20px; margin-right: 20px;\">Polyurethane Product Benefits<\/h3>\n<div style=\"text-align: left; margin-left: 20px; margin-right: 20px; margin-bottom: 30px;\"><br class=\"avia-permanent-lb\" \/><a class=\"bold-link arrow-link\" href=\"\/zh\/polyurethane-products\/\">\u63a2\u7d22\u66f4\u591a<\/a><\/div>\n<\/div><\/section><\/p><\/div><div class='av-flex-placeholder'><\/div><div  class='flex_column av-mhntumfl-9dc03e6d981a59124dbb2f9098bb5c7c av_one_third  avia-builder-el-23  el_after_av_one_third  el_before_av_one_third  column-shadow my-mobile-padding flex_column_table_cell av-equal-height-column av-align-top avia-link-column av-column-link  column-top-margin'    data-link-column-url=\"https:\/\/www.cardolite.com\/zh\/polyurethane-diluents-and-modifiers\/\"   ><a class=\"av-screen-reader-only\" href=\"https:\/\/www.cardolite.com\/zh\/polyurethane-diluents-and-modifiers\/\" >Link to: Polyurethane Diluents &#038; Modifiers<\/a><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mhnu1c4l-754a3eca2c4e194e6b9a408befe4ab75\">\n.avia-image-container.av-mhnu1c4l-754a3eca2c4e194e6b9a408befe4ab75 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-mhnu1c4l-754a3eca2c4e194e6b9a408befe4ab75 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-mhnu1c4l-754a3eca2c4e194e6b9a408befe4ab75 av-styling-no-styling avia-align-center  avia-builder-el-24  el_before_av_textblock  avia-builder-el-first'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-1195 avia-img-lazy-loading-not-1195 avia_image' src=\"https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/07\/electric-cables-1500x630-1.jpg\" alt='' title=''  height=\"630\" width=\"1500\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/07\/electric-cables-1500x630-1.jpg 1500w, https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/07\/electric-cables-1500x630-1-300x126.jpg 300w, https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/07\/electric-cables-1500x630-1-1030x433.jpg 1030w, https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/07\/electric-cables-1500x630-1-768x323.jpg 768w, https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/07\/electric-cables-1500x630-1-705x296.jpg 705w\" sizes=\"(max-width: 1500px) 100vw, 1500px\" \/><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mhntygpn-8a1359ba7086d7b23f2919ae2b2da264\">\n\n@media only screen and (min-width: 990px){ \n#top .av_textblock_section.av-mhntygpn-8a1359ba7086d7b23f2919ae2b2da264 .avia_textblock{\nfont-size:14px;\n}\n}\n<\/style>\n<section  class='av_textblock_section av-mhntygpn-8a1359ba7086d7b23f2919ae2b2da264'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3 style=\"text-align: left; margin-top: 30px; margin-left: 20px; margin-right: 20px;\">Polyurethane Diluents &#038; Modifiers<\/h3>\n<div style=\"text-align: left; margin-left: 20px; margin-right: 20px; margin-bottom: 30px;\"><br class=\"avia-permanent-lb\" \/><a class=\"bold-link arrow-link\" href=\"\/zh\/polyurethane-diluents-and-modifiers\/\">\u63a2\u7d22\u66f4\u591a<\/a><\/div>\n<\/div><\/section><\/p><\/div><div class='av-flex-placeholder'><\/div><div  class='flex_column av-mhntsjng-fc5873df9ac7c09b3b3e186f326cd662 av_one_third  avia-builder-el-26  el_after_av_one_third  avia-builder-el-last  column-shadow my-mobile-padding flex_column_table_cell av-equal-height-column av-align-top avia-link-column av-column-link  column-top-margin'    data-link-column-url=\"https:\/\/www.cardolite.com\/zh\/polyols-diols\/\"   ><a class=\"av-screen-reader-only\" href=\"https:\/\/www.cardolite.com\/zh\/polyols-diols\/\" >Link to: Polyols &#038; Diols<\/a><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mhnttgs0-a6ff0aa10515a08e894c41ee96e16910\">\n.avia-image-container.av-mhnttgs0-a6ff0aa10515a08e894c41ee96e16910 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-mhnttgs0-a6ff0aa10515a08e894c41ee96e16910 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-mhnttgs0-a6ff0aa10515a08e894c41ee96e16910 av-styling-no-styling avia-align-center  avia-builder-el-27  el_before_av_textblock  avia-builder-el-first'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-1193 avia-img-lazy-loading-not-1193 avia_image' src=\"https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/07\/Wooden-floors-1550x630-1.jpg\" alt='' title=''  height=\"630\" width=\"1500\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/07\/Wooden-floors-1550x630-1.jpg 1500w, https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/07\/Wooden-floors-1550x630-1-300x126.jpg 300w, https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/07\/Wooden-floors-1550x630-1-1030x433.jpg 1030w, https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/07\/Wooden-floors-1550x630-1-768x323.jpg 768w, https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/07\/Wooden-floors-1550x630-1-705x296.jpg 705w\" sizes=\"(max-width: 1500px) 100vw, 1500px\" \/><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mhntvme4-c313e296ce38af2dd1e7b1f61da9ba47\">\n\n@media only screen and (min-width: 990px){ \n#top .av_textblock_section.av-mhntvme4-c313e296ce38af2dd1e7b1f61da9ba47 .avia_textblock{\nfont-size:14px;\n}\n}\n<\/style>\n<section  class='av_textblock_section av-mhntvme4-c313e296ce38af2dd1e7b1f61da9ba47'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3 style=\"text-align: left; margin-top: 30px; margin-left: 20px; margin-right: 20px;\">Polyols &#038; Diols<\/h3>\n<div style=\"text-align: left; margin-left: 20px; margin-right: 20px; margin-bottom: 30px;\"><br class=\"avia-permanent-lb\" \/><a class=\"bold-link arrow-link\" href=\"\/zh\/polyols-diols\/\">\u63a2\u7d22\u66f4\u591a<\/a><\/div>\n<\/div><\/section><\/p><\/div><\/div><!--close column table wrapper. Autoclose: 1 --><\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='av_section_3'  class='avia-section av-av_section-02636c38fc08baf3d060f013b3f9f7a8 main_color avia-section-default avia-no-border-styling  avia-builder-el-29  el_after_av_section  el_before_av_section  av-small-hide av-mini-hide avia-bg-style-scroll container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-70'><div class='entry-content-wrapper clearfix'>\n<div class='flex_column_table av-av_one_third-f0d13affbf9b1f76334bfb4f789456ba sc-av_one_third av-equal-height-column-flextable'><div  class='flex_column av-av_one_third-f0d13affbf9b1f76334bfb4f789456ba av_one_third  avia-builder-el-30  el_before_av_one_third  avia-builder-el-first  first flex_column_table_cell av-equal-height-column av-align-middle'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_textblock-222d5266c60895c79fa2e74e4bffb0d7\">\n\n@media only screen and (min-width: 990px){ \n#top .av_textblock_section.av-av_textblock-222d5266c60895c79fa2e74e4bffb0d7 .avia_textblock{\nfont-size:16px;\n}\n}\n<\/style>\n<section  class='av_textblock_section av-av_textblock-222d5266c60895c79fa2e74e4bffb0d7'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3>\u8054\u7cfb\u65b9\u5f0f<\/h3>\n<p>\u5982\u9700\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u8054\u7cfb\u60a8\u7684\u9500\u552e\u4ee3\u8868\uff0c\u6216\u901a\u8fc7\u6211\u4eec\u7684\u7f51\u7ad9\u63d0\u4ea4\u54a8\u8be2\u3002<\/p>\n<p><a class=\"bold-link arrow-link\" href=\"\/zh\/inquiry\/\">\u4e86\u89e3\u66f4\u591a\u4fe1\u606f<\/a><\/p>\n<\/div><\/section><\/div><div class='av-flex-placeholder'><\/div><div  class='flex_column av-av_one_third-3b0d446bf9e6f7db91541aa567be4cdf av_one_third  avia-builder-el-32  el_after_av_one_third  el_before_av_one_third  flex_column_table_cell av-equal-height-column av-align-middle'     ><\/div><div class='av-flex-placeholder'><\/div><div  class='flex_column av-av_one_third-44fccc711e2856400672377f9d6ad754 av_one_third  avia-builder-el-33  el_after_av_one_third  avia-builder-el-last  flex_column_table_cell av-equal-height-column av-align-middle'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_image-5bb38303a1709584f835a6b9fcd8ed0b\">\n.avia-image-container.av-av_image-5bb38303a1709584f835a6b9fcd8ed0b img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-av_image-5bb38303a1709584f835a6b9fcd8ed0b .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-av_image-5bb38303a1709584f835a6b9fcd8ed0b av-styling- avia-align-center  avia-builder-el-34  avia-builder-el-no-sibling'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-15 avia-img-lazy-loading-not-15 avia_image' src=\"https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/07\/Cardolite-Logo-Slogan-Margin.svg\" alt='alt=&quot;&quot;' title=''   itemprop=\"thumbnailUrl\"  \/><\/div><\/div><\/div><\/div><\/div><!--close column table wrapper. Autoclose: 1 -->\n<\/p>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='av_section_4'  class='avia-section av-av_section-4b946e4b5fb20dc49d208ebc2a81c7bd main_color avia-section-default avia-no-border-styling  avia-builder-el-35  el_after_av_section  avia-builder-el-last  av-desktop-hide av-medium-hide avia-bg-style-scroll container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-70'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-av_one_full-2d22dc0500e159f2b39fe7a147caf14c av_one_full  avia-builder-el-36  avia-builder-el-no-sibling  first flex_column_div'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_textblock-222d5266c60895c79fa2e74e4bffb0d7\">\n\n@media only screen and (min-width: 990px){ \n#top .av_textblock_section.av-av_textblock-222d5266c60895c79fa2e74e4bffb0d7 .avia_textblock{\nfont-size:16px;\n}\n}\n<\/style>\n<section  class='av_textblock_section av-av_textblock-222d5266c60895c79fa2e74e4bffb0d7'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3>\u8054\u7cfb\u65b9\u5f0f<\/h3>\n<p>\u5982\u9700\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u8054\u7cfb\u60a8\u7684\u9500\u552e\u4ee3\u8868\uff0c\u6216\u901a\u8fc7\u6211\u4eec\u7684\u7f51\u7ad9\u63d0\u4ea4\u54a8\u8be2\u3002<\/p>\n<p><a class=\"bold-link arrow-link\" href=\"\/zh\/inquiry\/\">\u4e86\u89e3\u66f4\u591a\u4fe1\u606f<\/a><\/p>\n<\/div><\/section><\/div>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='after_section_4'  class='main_color av_default_container_wrap container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-70'><div class='entry-content-wrapper clearfix'>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-70","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.6 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>NCO Blocking Agent - Cardolite Corporation<\/title>\n<meta name=\"description\" content=\"Our NCO Blocking Agent products provide a more safe and more affordable isocyanate alternative for use in coatings and adhesives.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cardolite.com\/zh\/nco-blocking\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NCO Blocking Agent\" \/>\n<meta property=\"og:description\" content=\"Our NCO Blocking Agent products provide a more safe and more affordable isocyanate alternative for use in coatings and adhesives.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.cardolite.com\/zh\/nco-blocking\/\" \/>\n<meta property=\"og:site_name\" content=\"Cardolite Corporation\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-12T16:05:50+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.cardolite.com\\\/nco-blocking\\\/\",\"url\":\"https:\\\/\\\/www.cardolite.com\\\/nco-blocking\\\/\",\"name\":\"NCO Blocking Agent - 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