fireproof,permanent flame retardant, resistant to high temperature Fire Retardant Meta-aramid Yarn 1) Composition:100%meta-aramid 2) Counts: ... ) 3) Color: blue,white,ect.4) It has outstanding flame retardant property and will not melt in high temperature of 220 ... electronics dielectric materials, and various protective clothing. 6) Certificate: flame retardant certificate.