Light weight and high tension We can make it gland packing or ring quality assurance，Bigger discounts for bigger orders Any problem please contact me With high strength, high modulus and high temperature resistance, acid and alkali resistance, light weight, insulation, anti-aging, long life cycle and other excellent performance, widely used in composite materials, bulletproof products, building materials, special protective clothing, electronic equipment and other fields. 1KG 200D is about 45,000 meters 1KG 400D is about 22,500 meters 1KG 600D is about 18,000 meters 1KG 800D is about 12,000 meters 1KG 1000D is about 9000 meters 1KG 1500D is about 6000 meters