Aramid Flame Retardant Thread with High Temperature Resistance of 300 Degrees, Fire-Resistant Insulated Sewing Thread (200 yd) (Black)

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• 【Meta-aramid Sewing Thread】Meta-aramids are best known for their combination of heat resistance and strength. In addition, meta-aramid fibers do not ignite, melt or drip. Meta-aramid fiber can be applied widely in composite materials, bulletproof products, construction materials, filtration, special protective apparel, electrical equipments and etc.
• 【Flame Retardant】These meta-aramid fibers offer exceptional thermal stability, retaining their integrity even at high temperatures. They are flame-retardant and stop burning of their own accord after the flame has been taken out and providing a critical barrier against heat and fire
• 【Great Versatility】Applications for m-aramids include electrical insulation, protective clothing for firefighters and other first responders, auto racers and military personnel;