{"id":3237,"date":"2026-07-29T10:12:45","date_gmt":"2026-07-29T02:12:45","guid":{"rendered":"https:\/\/www.cnhaitan.net\/?p=3237"},"modified":"2026-07-29T10:12:45","modified_gmt":"2026-07-29T02:12:45","slug":"dmc-insulators-flame-retardant-self-extinguishing-safety","status":"publish","type":"post","link":"https:\/\/www.cnhaitan.net\/kk\/%d2%9b%d0%be%d0%b6%d0%b0%d0%bb%d0%b4%d1%8b%d1%80%d1%83\/dmc-insulators-flame-retardant-self-extinguishing-safety","title":{"rendered":"Flame-Retardant and Self-Extinguishing: How DMC Insulators Shield Industrial Safety"},"content":{"rendered":"<p style=\"font-size: 16px; line-height: 1.7; color: #333333; margin: 0 0 20px 0;\">If your business operates switchgear, control panels, or any low voltage distribution equipment in an industrial setting, fire safety isn&#8217;t a checkbox \u2014 it&#8217;s a core part of how you protect your people, your facility, and your uptime. Electrical faults, arc flashes, and overheating components are among the leading causes of industrial fires, and the insulation material inside your panels plays a direct role in whether a fault stays contained or turns into a much bigger problem. This is exactly why flame-retardant, self-extinguishing <strong>DMC \u0438\u0437\u043e\u043b\u044f\u0442\u043e\u0440\u043b\u0430\u0440\u044b<\/strong>\u00a0have become a standard specification for engineers and safety managers who can&#8217;t afford to leave fire risk to chance.<\/p>\n<p style=\"font-size: 16px; line-height: 1.7; color: #333333; margin: 0 0 20px 0;\">In this guide, you&#8217;ll learn exactly what makes DMC insulation material flame-retardant and self-extinguishing, how the SM Insulator series is built to meet demanding industrial safety standards, and what specifications your team should verify before sourcing.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_79_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u041c\u0430\u0437\u043c\u04b1\u043d\u044b<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u041c\u0430\u0437\u043c\u04b1\u043d \u043a\u0435\u0441\u0442\u0435\u0441\u0456\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u0410\u0443\u044b\u0441\u0442\u044b\u0440\u0443<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.cnhaitan.net\/kk\/%d2%9b%d0%be%d0%b6%d0%b0%d0%bb%d0%b4%d1%8b%d1%80%d1%83\/dmc-insulators-flame-retardant-self-extinguishing-safety\/#What_Is_a_DMC_Insulator\" >What Is a DMC Insulator?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.cnhaitan.net\/kk\/%d2%9b%d0%be%d0%b6%d0%b0%d0%bb%d0%b4%d1%8b%d1%80%d1%83\/dmc-insulators-flame-retardant-self-extinguishing-safety\/#Why_Flame_Retardancy_and_Self-Extinguishing_Performance_Matter_for_Industrial_Safety\" >Why Flame Retardancy and Self-Extinguishing Performance Matter for Industrial Safety<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.cnhaitan.net\/kk\/%d2%9b%d0%be%d0%b6%d0%b0%d0%bb%d0%b4%d1%8b%d1%80%d1%83\/dmc-insulators-flame-retardant-self-extinguishing-safety\/#How_DMC_Insulators_Achieve_Flame-Retardant_Self-Extinguishing_Performance\" >How DMC Insulators Achieve Flame-Retardant, Self-Extinguishing Performance<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.cnhaitan.net\/kk\/%d2%9b%d0%be%d0%b6%d0%b0%d0%bb%d0%b4%d1%8b%d1%80%d1%83\/dmc-insulators-flame-retardant-self-extinguishing-safety\/#Fire_Performance_Comparison_DMC_vs_Other_Insulation_Materials\" >Fire Performance Comparison: DMC vs. Other Insulation Materials<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.cnhaitan.net\/kk\/%d2%9b%d0%be%d0%b6%d0%b0%d0%bb%d0%b4%d1%8b%d1%80%d1%83\/dmc-insulators-flame-retardant-self-extinguishing-safety\/#Key_Specifications_to_Verify_Before_You_Source\" >Key Specifications to Verify Before You Source<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.cnhaitan.net\/kk\/%d2%9b%d0%be%d0%b6%d0%b0%d0%bb%d0%b4%d1%8b%d1%80%d1%83\/dmc-insulators-flame-retardant-self-extinguishing-safety\/#Where_Flame-Retardant_DMC_Insulators_Are_Used\" >Where Flame-Retardant DMC Insulators Are Used<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.cnhaitan.net\/kk\/%d2%9b%d0%be%d0%b6%d0%b0%d0%bb%d0%b4%d1%8b%d1%80%d1%83\/dmc-insulators-flame-retardant-self-extinguishing-safety\/#Introducing_the_SM_Insulator_Series\" >Introducing the SM Insulator Series<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.cnhaitan.net\/kk\/%d2%9b%d0%be%d0%b6%d0%b0%d0%bb%d0%b4%d1%8b%d1%80%d1%83\/dmc-insulators-flame-retardant-self-extinguishing-safety\/#FAQs\" >\u0416\u049a\u0421<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.cnhaitan.net\/kk\/%d2%9b%d0%be%d0%b6%d0%b0%d0%bb%d0%b4%d1%8b%d1%80%d1%83\/dmc-insulators-flame-retardant-self-extinguishing-safety\/#What_does_UL94_V-0_actually_mean_for_my_equipment\" >What does UL94 V-0 actually mean for my equipment?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.cnhaitan.net\/kk\/%d2%9b%d0%be%d0%b6%d0%b0%d0%bb%d0%b4%d1%8b%d1%80%d1%83\/dmc-insulators-flame-retardant-self-extinguishing-safety\/#Is_DMC_the_same_as_BMC_for_fire_performance\" >Is DMC the same as BMC for fire performance?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.cnhaitan.net\/kk\/%d2%9b%d0%be%d0%b6%d0%b0%d0%bb%d0%b4%d1%8b%d1%80%d1%83\/dmc-insulators-flame-retardant-self-extinguishing-safety\/#Does_self-extinguishing_mean_the_material_wont_burn_at_all\" >Does self-extinguishing mean the material won&#8217;t burn at all?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.cnhaitan.net\/kk\/%d2%9b%d0%be%d0%b6%d0%b0%d0%bb%d0%b4%d1%8b%d1%80%d1%83\/dmc-insulators-flame-retardant-self-extinguishing-safety\/#What_is_Limiting_Oxygen_Index_LOI_and_why_does_it_matter\" >What is Limiting Oxygen Index (LOI) and why does it matter?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.cnhaitan.net\/kk\/%d2%9b%d0%be%d0%b6%d0%b0%d0%bb%d0%b4%d1%8b%d1%80%d1%83\/dmc-insulators-flame-retardant-self-extinguishing-safety\/#Are_DMC_insulators_suitable_for_hazardous_or_classified_areas\" >Are DMC insulators suitable for hazardous or classified areas?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.cnhaitan.net\/kk\/%d2%9b%d0%be%d0%b6%d0%b0%d0%bb%d0%b4%d1%8b%d1%80%d1%83\/dmc-insulators-flame-retardant-self-extinguishing-safety\/#How_do_I_verify_a_suppliers_flame-retardant_claims\" >How do I verify a supplier&#8217;s flame-retardant claims?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.cnhaitan.net\/kk\/%d2%9b%d0%be%d0%b6%d0%b0%d0%bb%d0%b4%d1%8b%d1%80%d1%83\/dmc-insulators-flame-retardant-self-extinguishing-safety\/#Can_the_SM_Insulator_series_be_customized_for_specific_mounting_requirements\" >Can the SM Insulator series be customized for specific mounting requirements?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.cnhaitan.net\/kk\/%d2%9b%d0%be%d0%b6%d0%b0%d0%bb%d0%b4%d1%8b%d1%80%d1%83\/dmc-insulators-flame-retardant-self-extinguishing-safety\/#Do_flame-retardant_insulators_cost_more_than_standard_options\" >Do flame-retardant insulators cost more than standard options?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.cnhaitan.net\/kk\/%d2%9b%d0%be%d0%b6%d0%b0%d0%bb%d0%b4%d1%8b%d1%80%d1%83\/dmc-insulators-flame-retardant-self-extinguishing-safety\/#How_does_smoke_density_affect_facility_safety_during_a_fault\" >How does smoke density affect facility safety during a fault?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.cnhaitan.net\/kk\/%d2%9b%d0%be%d0%b6%d0%b0%d0%bb%d0%b4%d1%8b%d1%80%d1%83\/dmc-insulators-flame-retardant-self-extinguishing-safety\/#What_documentation_should_I_request_before_placing_a_bulk_order\" >What documentation should I request before placing a bulk order?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 style=\"color: #155192; font-size: 26px; margin: 35px 0 15px 0; border-bottom: 3px solid #155192; padding-bottom: 8px;\"><span class=\"ez-toc-section\" id=\"What_Is_a_DMC_Insulator\"><\/span>What Is a DMC Insulator?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"font-size: 16px; line-height: 1.7; color: #333333; margin: 0 0 20px 0;\">DMC stands for Dough Molding Compound \u2014 a thermosetting composite made from unsaturated polyester resin, short glass fibers, and mineral fillers, blended into a dough-like consistency and compression-molded into precise shapes under heat and pressure. This process allows manufacturers to produce highly detailed, dimensionally accurate <strong>\u042d\u043b\u0435\u043a\u0442\u0440 \u043e\u049b\u0448\u0430\u0443\u043b\u0430\u0493\u044b\u0448\u0442\u0430\u0440\u044b<\/strong> with consistent material properties throughout the entire part, not just on the surface.<\/p>\n<p><a href=\"https:\/\/www.cnhaitan.net\/kk\/low-voltage-bmc-dmc-busbar-support-insulator-wire-holder-electrical-m6-30mm\/\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1540 size-medium\" title=\"SM Low Voltage Busbar M6 30mm\" src=\"https:\/\/www.cnhaitan.net\/wp-content\/uploads\/2022\/03\/SM-Low-Voltage-Busbar-M6-30mm-300x200.jpg\" alt=\"SM Low Voltage Busbar M6 30mm\" width=\"300\" height=\"200\" srcset=\"https:\/\/www.cnhaitan.net\/wp-content\/uploads\/2022\/03\/SM-Low-Voltage-Busbar-M6-30mm-300x200.jpg 300w, https:\/\/www.cnhaitan.net\/wp-content\/uploads\/2022\/03\/SM-Low-Voltage-Busbar-M6-30mm-1024x683.jpg 1024w, https:\/\/www.cnhaitan.net\/wp-content\/uploads\/2022\/03\/SM-Low-Voltage-Busbar-M6-30mm-768x512.jpg 768w, https:\/\/www.cnhaitan.net\/wp-content\/uploads\/2022\/03\/SM-Low-Voltage-Busbar-M6-30mm-1536x1024.jpg 1536w, https:\/\/www.cnhaitan.net\/wp-content\/uploads\/2022\/03\/SM-Low-Voltage-Busbar-M6-30mm-1568x1045.jpg 1568w, https:\/\/www.cnhaitan.net\/wp-content\/uploads\/2022\/03\/SM-Low-Voltage-Busbar-M6-30mm.jpg 1920w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p style=\"font-size: 16px; line-height: 1.7; color: #333333; margin: 0 0 20px 0;\">For your business, this matters because DMC&#8217;s molding process directly supports its fire performance. Unlike coatings or surface treatments that can wear off, flame retardancy is built into the material itself, giving your equipment consistent protection for the full service life of the component. If you want the complete technical breakdown of how this material is engineered for low voltage systems, our guide on <a style=\"color: #155192; text-decoration: underline; font-weight: bold;\" href=\"https:\/\/www.cnhaitan.net\/kk\/%d2%9b%d0%be%d0%b6%d0%b0%d0%bb%d0%b4%d1%8b%d1%80%d1%83\/insulator-busbar-support-dmc-explained-a-complete-guide-for-low-voltage-systems\/\" target=\"_blank\" rel=\"noopener noreferrer\">DMC busbar support insulators explained<\/a> covers the full manufacturing process and material composition.<\/p>\n<h2 style=\"color: #155192; font-size: 26px; margin: 35px 0 15px 0; border-bottom: 3px solid #155192; padding-bottom: 8px;\"><span class=\"ez-toc-section\" id=\"Why_Flame_Retardancy_and_Self-Extinguishing_Performance_Matter_for_Industrial_Safety\"><\/span>Why Flame Retardancy and Self-Extinguishing Performance Matter for Industrial Safety<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"font-size: 16px; line-height: 1.7; color: #333333; margin: 0 0 20px 0;\">Electrical panels concentrate energy, heat, and combustible materials in a confined space \u2014 which is precisely why fire safety standards for this equipment are so strict. If an arc fault or overheating event occurs, the difference between a contained incident and a spreading fire often comes down to whether the surrounding insulation material ignites, sustains combustion, and releases smoke or toxic gases.<\/p>\n<p style=\"font-size: 16px; line-height: 1.7; color: #333333; margin: 0 0 20px 0;\">A genuinely <strong>self extinguishing material<\/strong> stops burning on its own once the ignition source is removed, rather than continuing to burn and spread flame to nearby components. This single property can be the difference between a minor equipment repair and a full facility shutdown \u2014 which is why fire performance should never be an afterthought when your team is specifying <strong>electrical safety components<\/strong> for industrial environments.<\/p>\n<h2 style=\"color: #155192; font-size: 26px; margin: 35px 0 15px 0; border-bottom: 3px solid #155192; padding-bottom: 8px;\"><span class=\"ez-toc-section\" id=\"How_DMC_Insulators_Achieve_Flame-Retardant_Self-Extinguishing_Performance\"><\/span>How DMC Insulators Achieve Flame-Retardant, Self-Extinguishing Performance<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"font-size: 16px; line-height: 1.7; color: #333333; margin: 0 0 20px 0;\">DMC insulators are formulated with specific flame-retardant additives and a dense, void-free molded structure that together deliver measurable fire safety performance:<\/p>\n<ul style=\"font-size: 16px; line-height: 1.8; color: #333333; margin: 0 0 20px 0; padding-left: 25px;\">\n<li style=\"margin-bottom: 10px;\"><strong><a href=\"https:\/\/www.cnhaitan.net\/kk\/%d2%9b%d0%be%d0%b6%d0%b0%d0%bb%d0%b4%d1%8b%d1%80%d1%83\/behind-the-ul94-v-0-rating-how-bmc-insulators-deliver-self-extinguishing-and-low-smoke-performance-in-fire-conditions\/\" target=\"_blank\" rel=\"noopener\">UL94 V-0 flammability rating<\/a>:<\/strong> The highest UL94 vertical burn classification, meaning the material self-extinguishes within seconds after the flame source is removed, with no flaming drips.<\/li>\n<li style=\"margin-bottom: 10px;\"><strong>High Limiting Oxygen Index (LOI):<\/strong> DMC materials typically require significantly more oxygen to sustain combustion than standard plastics, making ignition far less likely in the first place.<\/li>\n<li style=\"margin-bottom: 10px;\"><strong>Low smoke and toxic gas emission:<\/strong> In the event of exposure to flame, quality DMC insulators produce minimal smoke density, protecting visibility and air quality for personnel during an emergency.<\/li>\n<li style=\"margin-bottom: 10px;\"><strong>Dimensional stability under thermal stress:<\/strong> DMC retains its structural integrity at elevated temperatures, so it continues to physically support and isolate busbars even under fault conditions.<\/li>\n<li style=\"margin-bottom: 10px;\"><strong>Consistent performance throughout the material:<\/strong> Because flame retardancy is compounded into the resin itself rather than applied as a coating, performance doesn&#8217;t degrade with surface wear or aging.<\/li>\n<\/ul>\n<p style=\"font-size: 16px; line-height: 1.7; color: #333333; margin: 0 0 20px 0;\">For a deeper look at how these performance characteristics compare across different low voltage insulation applications, see our article on the <a style=\"color: #155192; text-decoration: underline; font-weight: bold;\" href=\"https:\/\/www.cnhaitan.net\/kk\/%d2%9b%d0%be%d0%b6%d0%b0%d0%bb%d0%b4%d1%8b%d1%80%d1%83\/application-and-performance-advantages-of-dmc-materials-in-low-voltage-insulators\/\" target=\"_blank\" rel=\"noopener noreferrer\">application and performance advantages of DMC materials in low voltage insulators<\/a>.<\/p>\n<h2 style=\"color: #155192; font-size: 26px; margin: 35px 0 15px 0; border-bottom: 3px solid #155192; padding-bottom: 8px;\"><span class=\"ez-toc-section\" id=\"Fire_Performance_Comparison_DMC_vs_Other_Insulation_Materials\"><\/span>Fire Performance Comparison: DMC vs. Other Insulation Materials<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"font-size: 16px; line-height: 1.7; color: #333333; margin: 0 0 20px 0;\">Here&#8217;s how DMC insulators compare to other commonly specified materials on the fire safety properties that matter most for industrial applications:<\/p>\n<table style=\"width: 100%; border-collapse: collapse; margin: 0 0 25px 0; font-size: 15px;\">\n<tbody>\n<tr style=\"background-color: #155192;\">\n<th style=\"padding: 12px; text-align: left; color: #ffffff; border: 1px solid #0e3d70;\">\u041c\u04af\u043b\u0456\u043a<\/th>\n<th style=\"padding: 12px; text-align: left; color: #ffffff; border: 1px solid #0e3d70;\">DMC Insulator (SM Series)<\/th>\n<th style=\"padding: 12px; text-align: left; color: #ffffff; border: 1px solid #0e3d70;\">\u0424\u0430\u0440\u0444\u043e\u0440<\/th>\n<th style=\"padding: 12px; text-align: left; color: #ffffff; border: 1px solid #0e3d70;\">Standard Thermoplastic<\/th>\n<th style=\"padding: 12px; text-align: left; color: #ffffff; border: 1px solid #0e3d70;\">BMC \u0438\u0437\u043e\u043b\u044f\u0442\u043e\u0440\u044b<\/th>\n<\/tr>\n<tr style=\"background-color: #f5f8fc;\">\n<td style=\"padding: 12px; border: 1px solid #cccccc;\">UL94 Flammability Rating<\/td>\n<td style=\"padding: 12px; border: 1px solid #cccccc;\">V-0<\/td>\n<td style=\"padding: 12px; border: 1px solid #cccccc;\">Non-combustible<\/td>\n<td style=\"padding: 12px; border: 1px solid #cccccc;\">Varies, often V-2 or lower<\/td>\n<td style=\"padding: 12px; border: 1px solid #cccccc;\">V-0<\/td>\n<\/tr>\n<tr style=\"background-color: #ffffff;\">\n<td style=\"padding: 12px; border: 1px solid #cccccc;\">Self-Extinguishing Time<\/td>\n<td style=\"padding: 12px; border: 1px solid #cccccc;\">Under 10 seconds<\/td>\n<td style=\"padding: 12px; border: 1px solid #cccccc;\">N\/A (non-combustible)<\/td>\n<td style=\"padding: 12px; border: 1px solid #cccccc;\">Often sustains flame<\/td>\n<td style=\"padding: 12px; border: 1px solid #cccccc;\">Under 10 seconds<\/td>\n<\/tr>\n<tr style=\"background-color: #f5f8fc;\">\n<td style=\"padding: 12px; border: 1px solid #cccccc;\">Smoke Density<\/td>\n<td style=\"padding: 12px; border: 1px solid #cccccc;\">\u0410\u043b\u0430\u0441\u0430<\/td>\n<td style=\"padding: 12px; border: 1px solid #cccccc;\">None<\/td>\n<td style=\"padding: 12px; border: 1px solid #cccccc;\">\u0411\u0438\u0456\u043a<\/td>\n<td style=\"padding: 12px; border: 1px solid #cccccc;\">\u0410\u043b\u0430\u0441\u0430<\/td>\n<\/tr>\n<tr style=\"background-color: #ffffff;\">\n<td style=\"padding: 12px; border: 1px solid #cccccc;\">Detail Molding Precision<\/td>\n<td style=\"padding: 12px; border: 1px solid #cccccc;\">Very High<\/td>\n<td style=\"padding: 12px; border: 1px solid #cccccc;\">Moderate (limited by firing)<\/td>\n<td style=\"padding: 12px; border: 1px solid #cccccc;\">\u0411\u0438\u0456\u043a<\/td>\n<td style=\"padding: 12px; border: 1px solid #cccccc;\">Moderate to High<\/td>\n<\/tr>\n<tr style=\"background-color: #f5f8fc;\">\n<td style=\"padding: 12px; border: 1px solid #cccccc;\">\u04d8\u0441\u0435\u0440\u0433\u0435 \u049b\u0430\u0440\u0441\u044b \u0442\u04b1\u0440\u0430\u049b\u0442\u044b\u043b\u044b\u049b<\/td>\n<td style=\"padding: 12px; border: 1px solid #cccccc;\">\u0411\u0438\u0456\u043a<\/td>\n<td style=\"padding: 12px; border: 1px solid #cccccc;\">Low, brittle<\/td>\n<td style=\"padding: 12px; border: 1px solid #cccccc;\">\u0411\u0430\u0439\u0441\u0430\u043b\u0434\u044b<\/td>\n<td style=\"padding: 12px; border: 1px solid #cccccc;\">\u0411\u0438\u0456\u043a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 style=\"color: #155192; font-size: 26px; margin: 35px 0 15px 0; border-bottom: 3px solid #155192; padding-bottom: 8px;\"><span class=\"ez-toc-section\" id=\"Key_Specifications_to_Verify_Before_You_Source\"><\/span>Key Specifications to Verify Before You Source<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"font-size: 16px; line-height: 1.7; color: #333333; margin: 0 0 20px 0;\">Fire safety claims should always be backed by documented data. Before your team commits to a supplier, confirm the following are clearly stated on the technical datasheet:<\/p>\n<ul style=\"font-size: 16px; line-height: 1.8; color: #333333; margin: 0 0 20px 0; padding-left: 25px;\">\n<li style=\"margin-bottom: 10px;\"><strong>UL94 test results<\/strong> with the specific rating (V-0, V-1, or V-2) and the thickness tested, since ratings can vary by sample thickness.<\/li>\n<li style=\"margin-bottom: 10px;\"><strong>Limiting Oxygen Index (LOI)<\/strong> value, which indicates how resistant the material is to sustained combustion.<\/li>\n<li style=\"margin-bottom: 10px;\"><strong>Smoke density and toxicity data<\/strong>, especially important for enclosed or occupied spaces such as control rooms and switchgear rooms.<\/li>\n<li style=\"margin-bottom: 10px;\"><strong>Halogen content<\/strong>, if your facility requires halogen-free materials for environmental or safety compliance.<\/li>\n<li style=\"margin-bottom: 10px;\"><strong>Mechanical load rating<\/strong> and dimensional tolerances to confirm compatibility with your busbar support requirements.<\/li>\n<li style=\"margin-bottom: 10px;\"><strong>Third-party certification<\/strong> rather than manufacturer self-declared performance claims alone.<\/li>\n<\/ul>\n<h2 style=\"color: #155192; font-size: 26px; margin: 35px 0 15px 0; border-bottom: 3px solid #155192; padding-bottom: 8px;\"><span class=\"ez-toc-section\" id=\"Where_Flame-Retardant_DMC_Insulators_Are_Used\"><\/span>Where Flame-Retardant DMC Insulators Are Used<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"font-size: 16px; line-height: 1.7; color: #333333; margin: 0 0 20px 0;\">Because fire safety requirements are especially strict in enclosed and high-density electrical environments, DMC insulators are widely specified across:<\/p>\n<ul style=\"font-size: 16px; line-height: 1.8; color: #333333; margin: 0 0 20px 0; padding-left: 25px;\">\n<li style=\"margin-bottom: 10px;\">Low voltage switchgear, switchboards, and motor control centers<\/li>\n<li style=\"margin-bottom: 10px;\">Industrial control cabinets and busbar trunking systems<\/li>\n<li style=\"margin-bottom: 10px;\">Oil, gas, and mining facilities with heightened fire risk classifications<\/li>\n<li style=\"margin-bottom: 10px;\">Rail and transit electrical systems requiring strict fire and smoke compliance<\/li>\n<li style=\"margin-bottom: 10px;\">Marine and offshore electrical enclosures where evacuation routes must stay clear of smoke<\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.cnhaitan.net\/kk\/%d1%82%d3%a9%d0%bc%d0%b5%d0%bd-%d0%b2%d0%be%d0%bb%d1%8c%d1%82%d1%82%d1%8b-%d0%be%d2%9b%d1%88%d0%b0%d1%83%d0%bb%d0%b0%d2%93%d1%8b%d1%88\/sm-insulator\/\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2088 size-medium\" title=\"\u0421\u043c \u043e\u049b\u0448\u0430\u0443\u043b\u0430\u0493\u044b\u0448\" src=\"https:\/\/www.cnhaitan.net\/wp-content\/uploads\/2024\/04\/SM-Insulator-300x300.jpg\" alt=\"\u0421\u043c \u043e\u049b\u0448\u0430\u0443\u043b\u0430\u0493\u044b\u0448\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.cnhaitan.net\/wp-content\/uploads\/2024\/04\/SM-Insulator-300x300.jpg 300w, https:\/\/www.cnhaitan.net\/wp-content\/uploads\/2024\/04\/SM-Insulator-150x150.jpg 150w, https:\/\/www.cnhaitan.net\/wp-content\/uploads\/2024\/04\/SM-Insulator.jpg 750w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p style=\"font-size: 16px; line-height: 1.7; color: #333333; margin: 0 0 20px 0;\">For applications involving busbar routing and support beyond fire performance alone, our <a style=\"color: #155192; text-decoration: underline; font-weight: bold;\" href=\"https:\/\/www.cnhaitan.net\/kk\/%d2%9b%d0%be%d0%b6%d0%b0%d0%bb%d0%b4%d1%8b%d1%80%d1%83\/busbar-%d0%be%d2%9b%d1%88%d0%b0%d1%83%d0%bb%d0%b0%d2%93%d1%8b%d1%88%d1%8b-%d1%82%d0%be%d0%bb%d1%8b%d2%9b-%d0%bd%d2%b1%d1%81%d2%9b%d0%b0%d1%83%d0%bb%d1%8b%d2%9b\/\" target=\"_blank\" rel=\"noopener noreferrer\">complete guide to busbar insulators<\/a> is a helpful resource for your broader system design.<\/p>\n<h2 style=\"color: #155192; font-size: 26px; margin: 35px 0 15px 0; border-bottom: 3px solid #155192; padding-bottom: 8px;\"><span class=\"ez-toc-section\" id=\"Introducing_the_SM_Insulator_Series\"><\/span>Introducing the SM Insulator Series<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"font-size: 16px; line-height: 1.7; color: #333333; margin: 0 0 20px 0;\">Haitan&#8217;s SM Insulator series is purpose-built around this exact requirement: dependable for demanding industrial applications. Every SM Insulator is compression-molded from DMC material, consistent mechanical strength, and long-term dimensional stability, giving your engineering team a component they can specify with confidence \u2014 and giving your safety team one less variable to worry about.<\/p>\n<div style=\"margin: 30px 0; padding: 25px; background-color: #f5f8fc; border-left: 5px solid #155192; text-align: center;\">\n<p style=\"font-size: 18px; color: #155192; font-weight: bold; margin: 0 0 15px 0;\">Give your electrical systems fire protection that&#8217;s built in, not bolted on.<\/p>\n<p><a style=\"display: inline-block; background-color: #155192; color: #ffffff; font-size: 16px; font-weight: bold; padding: 14px 32px; border-radius: 5px; text-decoration: none;\" href=\"https:\/\/www.cnhaitan.net\/kk\/%d1%82%d3%a9%d0%bc%d0%b5%d0%bd-%d0%b2%d0%be%d0%bb%d1%8c%d1%82%d1%82%d1%8b-%d0%be%d2%9b%d1%88%d0%b0%d1%83%d0%bb%d0%b0%d2%93%d1%8b%d1%88\/sm-insulator\/\" target=\"_blank\" rel=\"noopener noreferrer\">Explore the SM Insulator Series<\/a><\/p>\n<\/div>\n<h2 style=\"color: #155192; font-size: 26px; margin: 35px 0 15px 0; border-bottom: 3px solid #155192; padding-bottom: 8px;\"><span class=\"ez-toc-section\" id=\"FAQs\"><\/span>\u0416\u049a\u0421<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 style=\"color: #155192; font-size: 19px; margin: 25px 0 8px 0;\"><span class=\"ez-toc-section\" id=\"What_does_UL94_V-0_actually_mean_for_my_equipment\"><\/span>What does UL94 V-0 actually mean for my equipment?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"font-size: 16px; line-height: 1.7; color: #333333; margin: 0 0 20px 0;\">UL94 V-0 is the highest vertical burn rating in the UL94 flammability standard. It means the material self-extinguishes within a short, specified time after the flame source is removed and produces no flaming drips that could ignite nearby components.<\/p>\n<h3 style=\"color: #155192; font-size: 19px; margin: 25px 0 8px 0;\"><span class=\"ez-toc-section\" id=\"Is_DMC_the_same_as_BMC_for_fire_performance\"><\/span>Is DMC the same as BMC for fire performance?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"font-size: 16px; line-height: 1.7; color: #333333; margin: 0 0 20px 0;\">Both DMC and BMC are <a href=\"https:\/\/www.cnhaitan.net\/kk\/%d2%9b%d0%be%d0%b6%d0%b0%d0%bb%d0%b4%d1%8b%d1%80%d1%83\/from-formulation-to-performance-how-glass-fiber-content-and-length-affect-bmc-insulator-mechanical-properties\/\" target=\"_blank\" rel=\"noopener\">glass-fiber reinforced<\/a> thermosetting compounds capable of achieving UL94 V-0 ratings, but DMC&#8217;s dough-like consistency allows for finer, more detailed molded features, making it well suited to precision insulator geometries like the SM series.<\/p>\n<h3 style=\"color: #155192; font-size: 19px; margin: 25px 0 8px 0;\"><span class=\"ez-toc-section\" id=\"Does_self-extinguishing_mean_the_material_wont_burn_at_all\"><\/span>Does self-extinguishing mean the material won&#8217;t burn at all?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"font-size: 16px; line-height: 1.7; color: #333333; margin: 0 0 20px 0;\">Not exactly. Self-extinguishing materials can ignite under sustained direct flame, but they stop burning on their own once the ignition source is removed, which significantly limits fire spread compared to non-flame-retardant materials.<\/p>\n<h3 style=\"color: #155192; font-size: 19px; margin: 25px 0 8px 0;\"><span class=\"ez-toc-section\" id=\"What_is_Limiting_Oxygen_Index_LOI_and_why_does_it_matter\"><\/span>What is Limiting Oxygen Index (LOI) and why does it matter?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"font-size: 16px; line-height: 1.7; color: #333333; margin: 0 0 20px 0;\">LOI measures the minimum oxygen concentration required to sustain combustion. A higher LOI means the material is harder to ignite and keep burning, which is a useful additional data point alongside UL94 ratings when evaluating fire safety.<\/p>\n<h3 style=\"color: #155192; font-size: 19px; margin: 25px 0 8px 0;\"><span class=\"ez-toc-section\" id=\"Are_DMC_insulators_suitable_for_hazardous_or_classified_areas\"><\/span>Are DMC insulators suitable for hazardous or classified areas?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"font-size: 16px; line-height: 1.7; color: #333333; margin: 0 0 20px 0;\">DMC insulators are commonly used in oil, gas, and mining facilities with elevated fire risk classifications, but your team should always confirm specific component certifications against your site&#8217;s exact hazardous area classification requirements.<\/p>\n<h3 style=\"color: #155192; font-size: 19px; margin: 25px 0 8px 0;\"><span class=\"ez-toc-section\" id=\"How_do_I_verify_a_suppliers_flame-retardant_claims\"><\/span>How do I verify a supplier&#8217;s flame-retardant claims?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"font-size: 16px; line-height: 1.7; color: #333333; margin: 0 0 20px 0;\">Request third-party UL94 test reports, LOI data, and smoke density results rather than relying on marketing claims alone. Reputable manufacturers should be able to provide full documentation for your compliance records.<\/p>\n<h3 style=\"color: #155192; font-size: 19px; margin: 25px 0 8px 0;\"><span class=\"ez-toc-section\" id=\"Can_the_SM_Insulator_series_be_customized_for_specific_mounting_requirements\"><\/span>Can the SM Insulator series be customized for specific mounting requirements?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"font-size: 16px; line-height: 1.7; color: #333333; margin: 0 0 20px 0;\">Yes. Compression molding allows for custom shapes, hole patterns, and creepage distances tailored to your panel design. It&#8217;s best to share your drawings or specifications directly with the supplier&#8217;s engineering team.<\/p>\n<h3 style=\"color: #155192; font-size: 19px; margin: 25px 0 8px 0;\"><span class=\"ez-toc-section\" id=\"Do_flame-retardant_insulators_cost_more_than_standard_options\"><\/span>Do flame-retardant insulators cost more than standard options?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"font-size: 16px; line-height: 1.7; color: #333333; margin: 0 0 20px 0;\">Unit costs can be modestly higher, but the reduced fire risk, lower insurance and compliance exposure, and longer service life typically make flame-retardant DMC insulators a stronger long-term value for industrial applications.<\/p>\n<h3 style=\"color: #155192; font-size: 19px; margin: 25px 0 8px 0;\"><span class=\"ez-toc-section\" id=\"How_does_smoke_density_affect_facility_safety_during_a_fault\"><\/span>How does smoke density affect facility safety during a fault?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"font-size: 16px; line-height: 1.7; color: #333333; margin: 0 0 20px 0;\">Lower smoke density preserves visibility for evacuation and emergency response, and it reduces the volume of potentially toxic byproducts released into occupied spaces such as control rooms and switchgear areas.<\/p>\n<h3 style=\"color: #155192; font-size: 19px; margin: 25px 0 8px 0;\"><span class=\"ez-toc-section\" id=\"What_documentation_should_I_request_before_placing_a_bulk_order\"><\/span>What documentation should I request before placing a bulk order?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"font-size: 16px; line-height: 1.7; color: #333333; margin: 0 0 20px 0;\">Ask for UL94 and LOI test reports, mechanical and dimensional specifications, and sample units for in-house validation, along with any relevant industry certifications specific to your application before committing to production quantities.<\/p>\n<div style=\"margin: 30px 0; padding: 25px; background-color: #f5f8fc; border-left: 5px solid #155192; text-align: center;\">\n<p style=\"font-size: 18px; color: #155192; font-weight: bold; margin: 0 0 15px 0;\">Ready to specify insulation your safety team can stand behind?<\/p>\n<p><a style=\"display: inline-block; background-color: #155192; color: #ffffff; font-size: 16px; font-weight: bold; padding: 14px 32px; border-radius: 5px; text-decoration: none;\" href=\"https:\/\/www.cnhaitan.net\/kk\/%d0%b1%d1%96%d0%b7%d0%b1%d0%b5%d0%bd-%d1%85%d0%b0%d0%b1%d0%b0%d1%80%d0%bb%d0%b0%d1%81%d1%8b%d2%a3%d1%8b\/\" target=\"_blank\" rel=\"noopener\">Talk to Haitan&#8217;s Engineering Team<\/a><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Electrical faults are a leading cause of industrial fires, and the insulation material inside your panels plays a direct role in containment. This guide explains how flame-retardant, self-extinguishing DMC insulators help protect your equipment, personnel, and uptime.<\/p>","protected":false},"author":1,"featured_media":3238,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3237","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-newsroom","entry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.cnhaitan.net\/kk\/wp-json\/wp\/v2\/posts\/3237","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cnhaitan.net\/kk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cnhaitan.net\/kk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cnhaitan.net\/kk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cnhaitan.net\/kk\/wp-json\/wp\/v2\/comments?post=3237"}],"version-history":[{"count":2,"href":"https:\/\/www.cnhaitan.net\/kk\/wp-json\/wp\/v2\/posts\/3237\/revisions"}],"predecessor-version":[{"id":3240,"href":"https:\/\/www.cnhaitan.net\/kk\/wp-json\/wp\/v2\/posts\/3237\/revisions\/3240"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cnhaitan.net\/kk\/wp-json\/wp\/v2\/media\/3238"}],"wp:attachment":[{"href":"https:\/\/www.cnhaitan.net\/kk\/wp-json\/wp\/v2\/media?parent=3237"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cnhaitan.net\/kk\/wp-json\/wp\/v2\/categories?post=3237"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cnhaitan.net\/kk\/wp-json\/wp\/v2\/tags?post=3237"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}