Category overview

Flame Retardants / Smoke Suppressants

Based on 2736 products - Last update on the Jun 26, 2025

Flame retardants and smoke suppressants are typically presented as fine powders or liquids, often with a neutral color. Key features include their ability to enhance fire resistance, improve safety, and maintain the structural integrity of the final product. Used in electrical components, automotive parts, and construction materials. 

Alternatives to flame retardants and smoke suppressants include intumescent coatings and fire-resistant materials. A notable trend in this field is the shift towards halogen-free and environmentally friendly formulations. Sub-types include halogenated compounds, phosphorus-based compounds, and metal hydroxides.

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ST-MCA-H

by CAI Performance Additives

ST-MCA-H by CAI Performance Additives is a high-activity melamine cyanurate-based, halogen-free flame retardant for unfilled PA6 and PA66. It is optimized for superior dispersion in polyamides and mechanical property retention. Offers easier color matching and lower compound density. <br> <ul style="padding-left: 40px;"><li> Its nitrogen-rich structure provides effective flame suppression through endothermic heat absorption, gas-phase nitrogen release, and stable char formation, resulting in reliable flame retardancy without heavy-metal synergists.</li><li> Its lower dosage helps maintain toughness, reduces the risk of blooming or migration, and improves overall compound competitiveness in demanding electrical and electronic applications.</li><li> ST-MCA-H achieves UL-94 V-0 ratings at 0.8 mm, 1.6 mm, and 3.0 mm thicknesses at typical loadings of 5% in PA6 and 4% in PA66.</li></ul>
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Exolit™ OP 1266 (TP)

by Clariant

Exolit™ OP 1266 (TP) by Clariant is a halogen-free flame retardant specifically designed to address critical challenges in e-mobility applications using polybutylene terephthalate (PBT). It provides a stable comparative tracking index (CTI) of 600 V even after extended storage periods. <br> <ul style="padding-left: 40px;"><li> It supports the transition to 800 V and higher e-mobility systems that demand superior electrical insulation and long-term stability. </li> <li>It serves as an ATO-free alternative to traditional antimony trioxide–based systems, reducing exposure to raw material price fluctuations and supply chain risks. </li> <li>It does not require fluorinated polymers like PTFE and supports compliance with strict OEM environmental standards. </li> <li>It is ideal for e-mobility components, including high-voltage connectors, housings, and electrical insulation parts. </li> <li>It serves applications that demand flame retardancy, electrical reliability, and long-term heat and voltage stability. </li> <li>Recommended dosage level is 15-20% by weight in PBT to achieve UL 94 V-0 classification down to 0.4 mm thickness. </li></ul>
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Flame Retardants / Smoke Suppressants