... , green, black 3. flammability certificate,oeko-tex Meta-Aramid sewing thread / aramid yarnDescription:1.Certificate:EN533,EN532,EN1149 and other certificate ... temperature of 200'C for ten years above. Normal 3.Yarn counts: 5S, 10S, 18.5S, 20S, 25S, 30S, 35S, 40S ... resistance and electronics dielectric materials, and various protective clothing. 5.Thread counts: 202, 203, 303, 402, 403, 404 etc.6.Use ...