{"id":76,"date":"2025-07-02T18:00:34","date_gmt":"2025-07-02T18:00:34","guid":{"rendered":"https:\/\/www-new.cardolite.com\/?page_id=76"},"modified":"2026-02-13T19:45:11","modified_gmt":"2026-02-13T19:45:11","slug":"formulite","status":"publish","type":"page","link":"https:\/\/www.cardolite.com\/zh\/formulite\/","title":{"rendered":"FormuLITE"},"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-me8ordac-9bbfcbba8ac59ac933a0c269773fb9ab 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-me8ordac-9bbfcbba8ac59ac933a0c269773fb9ab__0  av-single-slide slide-1 slide-odd'><div data-rel='slideshow-1' class='avia-slide-wrap'   ><div class='av-slideshow-caption av-me8ordac-9bbfcbba8ac59ac933a0c269773fb9ab__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\" >FormuLITE<\/h2><\/div><\/div><\/div><\/div><\/div><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-2638 avia-img-lazy-loading-not-2638\"  src=\"https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/08\/Black-Drums-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_section   slider-not-first container_wrap sidebar_right'  ><div  class='avia-slideshow av-meka0q03-19f737b75247d59e72a8dccd1f69e1c6 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-meka0q03-19f737b75247d59e72a8dccd1f69e1c6__0  av-single-slide slide-1 slide-odd'><div data-rel='slideshow-2' class='avia-slide-wrap'   ><div class='av-slideshow-caption av-meka0q03-19f737b75247d59e72a8dccd1f69e1c6__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\" >FormuLITE<\/h2><\/div><\/div><\/div><\/div><\/div><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-2643 avia-img-lazy-loading-not-2643\"  src=\"https:\/\/www.cardolite.com\/wp-content\/uploads\/2025\/08\/Black-Drums-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>\n<div id='av_section_1'  class='avia-section av-mf4fidur-8256d0798cba1339ae5c1ab1c0bc032f main_color avia-section-default avia-no-border-styling  avia-builder-el-2  el_after_av_slideshow_full  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-76'><div class='entry-content-wrapper clearfix'>\n<div class='flex_column_table av-mf4fd3c1-c9ef87bb354a17492c2768723fb09fce sc-av_one_fifth av-equal-height-column-flextable'><div  class='flex_column av-mf4fd3c1-c9ef87bb354a17492c2768723fb09fce av_one_fifth  avia-builder-el-3  el_before_av_three_fifth  avia-builder-el-first  first flex_column_table_cell av-equal-height-column av-align-top'     ><section  class='av_textblock_section av-mf4fcuir-614ce3ad7e52e7c2bace0f1e5d624e8a'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><\/div><\/section><\/div><div class='av-flex-placeholder'><\/div><div  class='flex_column av-5ixeg-083da076817a9303cea12065488babd7 av_three_fifth  avia-builder-el-5  el_after_av_one_fifth  el_before_av_one_fifth  flex_column_table_cell av-equal-height-column av-align-top'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-me8owni4-af3a650a4a5273f1246c692907450b7e\">\n#top .av_textblock_section.av-me8owni4-af3a650a4a5273f1246c692907450b7e .avia_textblock{\ntext-align:center;\n}\n<\/style>\n<section  class='av_textblock_section av-me8owni4-af3a650a4a5273f1246c692907450b7e'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h1 style=\"text-align: center;\">Versatile Amine-Cured Epoxy Systems<\/h1>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mieo4n9p-5f2a2d30f9a22f3785657710e8006af0\">\n#top .hr.hr-invisible.av-mieo4n9p-5f2a2d30f9a22f3785657710e8006af0{\nheight:15px;\n}\n<\/style>\n<div  class='hr av-mieo4n9p-5f2a2d30f9a22f3785657710e8006af0 hr-invisible  avia-builder-el-7  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-wk1s-e64cafcad518233cbc587bef006374ef'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><div style=\"text-align: justify;\">FormuLITE amine-cured epoxy systems are a ready-to-use, high performance, bio-based resin matrix, specifically designed for composite manufacturers. These epoxy systems use renewable resources including <a href=\"\/zh\/technology\/\">cashew nutshell liquid (CNSL)<\/a>.<\/p>\n<p>FormuLITE epoxy systems offer low viscosity, excellent wetting of reinforcements (glass, carbon, and natural fibers), fast reactivity, and extended pot-life. In addition, the use of CNSL as a key building block yields excellent properties such as high thermal resistance, well-balanced mechanical properties, and good protection against water uptake, acid and alkali solutions.<\/p>\n<\/div>\n<\/div><\/section><\/p><\/div><div class='av-flex-placeholder'><\/div><div  class='flex_column av-4zsz4-2bb219b6b28f6fe96b9482fc813d1b44 av_one_fifth  avia-builder-el-9  el_after_av_three_fifth  avia-builder-el-last  flex_column_table_cell av-equal-height-column av-align-top'     ><section  class='av_textblock_section av-fe2k-f3314c388a820e964529a0bfef27d0fd'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><\/div><\/section><\/div><\/div><!--close column table wrapper. Autoclose: 1 --><\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='av_section_2'  class='avia-section av-mf4fi753-f2769c3eec9d27e87ff995162b19116e main_color avia-section-default avia-no-border-styling  avia-builder-el-11  el_after_av_section  el_before_av_section  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-76'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1qors-1805a528bd0264430a58f96530069235\">\n#top .av_textblock_section.av-1qors-1805a528bd0264430a58f96530069235 .avia_textblock{\ntext-align:center;\n}\n<\/style>\n<section  class='av_textblock_section av-1qors-1805a528bd0264430a58f96530069235'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h1 style=\"text-align: center;\">FormuLITE\u2122<\/h1>\n<h4 style=\"text-align: center;\"><span style=\"color: #81bc50;\">Versatile amine-cured epoxy systems<\/span><\/h4>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-11pb8-23ca913b54e41d4ddf793894737000de\">\n#top .hr.hr-invisible.av-11pb8-23ca913b54e41d4ddf793894737000de{\nheight:15px;\n}\n<\/style>\n<div  class='hr av-11pb8-23ca913b54e41d4ddf793894737000de hr-invisible  avia-builder-el-13  el_after_av_textblock  el_before_av_one_full'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div  class='flex_column av-3aic8-1a7f508f60a5766019f92e3b405e8b2a av_one_full  avia-builder-el-14  el_after_av_hr  avia-builder-el-last  first flex_column_div'     ><section  class='av_textblock_section av-2ir40-4ab37542d3546af6bf9fa8fc238e5509'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>FormuLITE amine-cured epoxy systems are a ready-to-use, high performance, bio-based resin matrix, specifically designed for composite manufacturers. These epoxy systems use renewable resources including <a href=\"\/zh\/technology\/\">cashew nutshell liquid (CNSL)<\/a>.<\/p>\n<p>FormuLITE epoxy systems offer low viscosity, excellent wetting of the reinforcements (glass, carbon and natural fibers), fast reactivity, and extended pot-life. In addition, the use of <strong>CNSL as a key building block<\/strong> yields excellent properties such as high thermal resistance, well-balanced mechanical properties, and good protection against water uptake, acid and alkali solutions.<\/p>\n<\/div><\/section><\/div>\n<\/p>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='av_section_3'  class='avia-section av-mf4f5irg-6c08468c8f88fae623c1ddc41666cb4c main_color avia-section-default avia-no-border-styling  avia-builder-el-16  el_after_av_section  el_before_av_section  my-gradient-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-76'><div class='entry-content-wrapper clearfix'>\n\n\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='av_section_4'  class='avia-section av-meub4jzs-12a86bbf13992994d748d7754058a5d9 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-76'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-1kibg-afa096ac822f22460a68b48a630f7af6 av_one_fifth  avia-builder-el-19  el_before_av_three_fifth  avia-builder-el-first  first flex_column_div'     ><\/div><div  class='flex_column av-1gol4-79c84b8e48c39e029dcc410289ccb486 av_three_fifth  avia-builder-el-20  el_after_av_one_fifth  el_before_av_one_fifth  flex_column_div'     ><section  class='av_textblock_section av-mf4fl2fs-c1cf09427695cfaa6ff1cd54b2e99128'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h2>How-to Guide<\/h2>\n<div style=\"text-align: justify\">\nCardolite FormuLITE products provide high-performance materials in user-friendly packages. The guidelines below provide additional information on the background and best use of these products. Please contact your Cardolite sales representative if more information is required.<\/div>\n<\/div><\/section><\/div><div  class='flex_column av-sbkw-34516818566ae1adb4cc25a7e0162596 av_one_fifth  avia-builder-el-22  el_after_av_three_fifth  el_before_av_hr  flex_column_div'     ><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mfeaqswf-dd40bcdaff06c3da8eaa10e3d5258f03\">\n#top .hr.hr-invisible.av-mfeaqswf-dd40bcdaff06c3da8eaa10e3d5258f03{\nheight:25px;\n}\n<\/style>\n<div  class='hr av-mfeaqswf-dd40bcdaff06c3da8eaa10e3d5258f03 hr-invisible  avia-builder-el-23  el_after_av_one_fifth  el_before_av_toggle_container'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-meua8gln-4471c359af3632f439c6cd452300f8a8\">\n#top .togglecontainer.av-meua8gln-4471c359af3632f439c6cd452300f8a8 p.toggler{\nfont-size:18px;\n}\n#top .togglecontainer.av-meua8gln-4471c359af3632f439c6cd452300f8a8 p.toggler.activeTitle{\ncolor:#ffffff;\nborder-color:#ffffff;\nbackground-color:#576788;\n}\n#top .togglecontainer.av-meua8gln-4471c359af3632f439c6cd452300f8a8 p.toggler:not(.activeTitle):hover{\ncolor:#80bc50;\n}\n#top .togglecontainer.av-meua8gln-4471c359af3632f439c6cd452300f8a8 p.toggler:not(.activeTitle):hover .toggle_icon, #top .togglecontainer.av-meua8gln-4471c359af3632f439c6cd452300f8a8 p.toggler:not(.activeTitle):hover .toggle_icon *{\nborder-color:#80bc50 !important;\n}\n#top .togglecontainer.av-meua8gln-4471c359af3632f439c6cd452300f8a8 p.toggler .toggle_icon{\ncolor:#80bc50;\nborder-color:#80bc50;\n}\n#top .togglecontainer.av-meua8gln-4471c359af3632f439c6cd452300f8a8 p.toggler .toggle_icon > span{\ncolor:#80bc50;\nborder-color:#80bc50;\n}\n#top .togglecontainer.av-meua8gln-4471c359af3632f439c6cd452300f8a8 p.toggler.activeTitle .toggle_icon, #top .togglecontainer.av-meua8gln-4471c359af3632f439c6cd452300f8a8 p.toggler.activeTitle .toggle_icon > span{\ncolor:#ffffff;\nborder-color:#ffffff;\n}\n#top .togglecontainer.av-meua8gln-4471c359af3632f439c6cd452300f8a8 .toggle_wrap .toggle_content{\nfont-size:15px;\n}\n<\/style>\n<div  class='togglecontainer av-meua8gln-4471c359af3632f439c6cd452300f8a8 av-elegant-toggle  avia-builder-el-24  el_after_av_hr  avia-builder-el-last' >\n<section class='av_toggle_section av-meua8exg-646242447d4826f2e401091877ab8564'  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=\"Epoxy resins\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Epoxy resins\" data-aria_expanded=\"Click to collapse: Epoxy resins\">Epoxy resins<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\" ><p>Epoxy resins are characterized by excellent mechanical and thermal properties, low cure shrinkage, very good chemical and water resistance, high thermal resistance and excellent adhesion to reinforcing fibers and substrates. These properties allow epoxy resins to be used in various applications.<\/p>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-meuaokjr-831c70ddc1f5dbc97c34b6e826bf676c'  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=\"Two components (2K) epoxy systems\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Two components (2K) epoxy systems\" data-aria_expanded=\"Click to collapse: Two components (2K) epoxy systems\">Two components (2K) epoxy systems<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\" ><p>2k epoxy systems offer the possibility to obtain different properties by combining different parts epoxy resin (A) and an amine hardener (B). FormuLITE 2K epoxy systems have been designed for use in fiber-reinforced composites, however, they can be a valuable choice in other applications such as adhesives.<\/p>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-meuapzpb-453f3daac303d567d1813a80696a452c'  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=\"How 2k epoxy systems react\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: How 2k epoxy systems react\" data-aria_expanded=\"Click to collapse: How 2k epoxy systems react\">How 2k epoxy systems react<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\" ><p>The blend of an epoxy resin and an amine hardener is a reactive liquid that undergoes an exothermic cross-linking reaction. During this process, heat is released and viscosity slowly increases.<\/p>\n<p>The pot-life is a measure of reactivity. It defines the period during which the epoxy system is workable. The pot-life decreases when either temperature increases due to the exothermic reaction or large amounts of mixture are prepared.<\/p>\n<p>Tack-free time is how long it takes for a cured epoxy surface to resist damage from touch or dirt.<\/p>\n<p>Before starting the manufacturing of a composite part or any other use of FormuLITE epoxy systems, we advise users to carry out preliminary trials to verify that the pot-life in the actual working conditions fit the requirements of the manufacturing process.<\/p>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-meub0ibv-c23cc1fa0e91907715a79c49d3ec402b'  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=\"How to prepare an epoxy formulation\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: How to prepare an epoxy formulation\" data-aria_expanded=\"Click to collapse: How to prepare an epoxy formulation\">How to prepare an epoxy formulation<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\" ><p>Always follow the health, safety and environmental guidelines recommended on the material safety data sheet (MSDS). Copies of the MSDS can be requested on the Cardolite website or via your local sales representative.<\/p>\n<p>The mix ratio in 2K epoxy systems is calculated on the basis of the reactive groups of the epoxy and the hardener. In order to obtain the properties described in the Product Technical Data Sheet, the mix ratio (by weight or by volume) has to be carefully followed and the two components have to be mixed thoroughly in a clean container until a homogeneous blend is obtained. If a balance is available, it is advised to carefully weigh part A and part B in two separate containers, then pour part B into part A and mix thoroughly with a thin, wooden or metallic spatula, limiting the entrapping of air. In case of excessive air entrapment, appropriate quantities of air release additives can be used.<\/p>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-meub1hdf-6c08cf3b03192a835f5e683ebe0f4389'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-5' data-fake-id='#toggle-id-5' class='toggler  av-title-above'  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-5' data-slide-speed=\"200\" data-title=\"Evaluation of the curing stage\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Evaluation of the curing stage\" data-aria_expanded=\"Click to collapse: Evaluation of the curing stage\">Evaluation of the curing stage<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-5' aria-labelledby='toggle-toggle-id-5' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color'  itemprop=\"text\" ><p>The maximum performance of an epoxy system is reached only when the composite piece has been completely cured. In some industrial processes, like RTM (Resin Transfer Molding), the formulated system is usually warmed up before the injection into the heated mold, where the temperature is high enough to enable the rapid curing of the composite piece and its demolding in a few minutes. In many other applications, from vacuum infusion to DIY works, the composite parts are left at room temperature.<\/p>\n<p>The evaluation of the curing stage of an epoxy resin or composite can be carried out with several methods, depending upon the available equipment. If a well-equipped quality control laboratory is available, the best way to evaluate the degree of curing is to use a DSC technique (Differential Scanning Calorimeter) to measure the Tg (glass transition temperature), which is a good proxy of the softening point of the cured epoxy. In many composites production facilities the degree of curing is inferred from the surface hardness of the piece, which can be measured by Barcol or Shore D testers. For DIY applications, when the mentioned equipment is not available, a simple method is the tactile assessment of the surface: when it is tack-free, the epoxy resin has reached an acceptable curing stage (although not optimum).<\/p>\n<p>To evaluate if the mechanical, thermal and chemical properties of the composite piece are adequate for the specific application after room temperature curing only, the user can expose it to the real working conditions (mechanical loads, aggressive fluids, etc.) and verify its performances. In case of negative results, it is necessary to allow a longer curing time at room temperature or to consider a post-curing procedure.<\/p>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-meub1wvr-cec52d9d3b8148b09c803068ec078619'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-6' data-fake-id='#toggle-id-6' class='toggler  av-title-above'  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-6' data-slide-speed=\"200\" data-title=\"Post-curing\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Post-curing\" data-aria_expanded=\"Click to collapse: Post-curing\">Post-curing<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-6' aria-labelledby='toggle-toggle-id-6' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color'  itemprop=\"text\" ><p>A tack-free surface after ambient curing does not mean that the piece has reached its optimum properties. To develop the best mechanical and thermal properties, a post-curing is needed, i.e. adequate and uniform heating has to be provided to the composite part.<\/p>\n<p>Industrial equipment for post-curing includes ventilated ovens and IR lamps. In case of small pieces in DIY applications, a common IR lamp is enough for the part to achieve the required curing level. In case hot ventilation is available, 6 to 16 hours at 50-60\u00b0C (depending upon the size and shape of the composite part) are usually enough to provide the needed energy for post-curing.<\/p>\n<p>FormuLITE 2500A\/2501A\/2501A + FormuLITE 2401B systems are brittle after RT curing only. 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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-1ylq4-65fcc4857ca553805bcef53330a1247e av_one_third  avia-builder-el-31  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-197u4-8093b63080fe538e2a8fae19d1e71e13 av_one_third  avia-builder-el-32  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-10lng-c3929cba8212221ebb1ce2d38155e665\">\n.avia-image-container.av-10lng-c3929cba8212221ebb1ce2d38155e665 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-10lng-c3929cba8212221ebb1ce2d38155e665 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