Modacrylic
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| Inherently FR, self extinquishing, charring, flame poisoning |
| Superior to FR chemical treatments
• Treatments can make fabrics very heavy • Treated fabrics typically melt or form brittle chars • Chemical treatment can wash away or wear off |
| Lowers costs
• Blending with more expense fibers, like aramid or melamine lowers costs • Blending with low cost conventional fibers, like cotton, rayon, and polyester, provides flame retardancy while maintaining the original fiber's characteristics, such as softness and natural appearance. |
| Permanent FR capability
• FR capability that will not wash off or rub off • FR capability that will not fade over time |
| Self extinguishing
• Low levels of smoke |
| Char formation
• Blending with cellulosics, like cotton and rayon, causes charring and the formation of a flame barrier. |
| Low carbon monoxide (CO) levels
• Minimizes CO levels, a major cause of death in fires |
| No dripping or melting
• The dripping of molten polymer fibers can cause injury and spread the fire |
| Note: Some FR fibers are referred to as SEF (Self-Extinquishing Fiber). Modacrylic is an SEF fiber. |