Modacrylic Fiber delivers inherent flame resistance with a high Limiting Oxygen Index (LOI) of 43. This next-generation fiber does not melt, drip, smoke, or emit toxic gases under high heat, ensuring superior safety. It is resistant to strong acids, alkalis, and multiple solvents, and has passed a variety of international certifications including Oeko-Tex 100, REACH, FDA, as well as molten aluminum splash and arc protection tests. The fiber offers permanent antibacterial, antiviral, and UV-blocking performance, with a 12% moisture regain that ensures comfort in wear.