... Fire Resistance * High Chemical Resistance Detailed Product Description: Meta-aramid Sewing Thread1. high temperature resistance, chemical resistance, abrasion- ... resistance, fire resistance, wear resistance,2. 100% Meta-Aramid3. Dyed, Various Colors4. Specifications: 203, 303, 403etc5 ... 220°C for ten years above.6. This meta-aramid sewing thread is mainly used in stitching tents, shoes, ...