Fire sewing thread Fiberglass sewing thread can be used to fire fire temperature of sewing textiles Fire sewing threadFiberglass sewing thread can be used to fire the fire of high temperature textiles sewing, sewing can be inorganic fire shutter, fire high temperature gloves, fire was, fire high temperature seals, thermal insulation blankets and so on. It's breaking strength 8 kilograms below the high temperature, fire. 

Fire sewing thread