Coated Stainless Steel Aramid Thread The outer layer can be KEVLAR Aramid fiber from DuPont, USA, and the inner layer is 316L stainless steel wire from Germany which has been treated and softened. 200D, 400D, 600D, 1000D, 1500D Aramid fiber can be selected for the outer layer, and the number of steel wires inside can be adjusted according to the softness. Generally, 4-10 steel wires are recommended; Our company adopts Taiwan imported wrapping machine, it is equipped with satisfying tightness and soft and smooth line. Features: 1. Good mechanical performance, excellent flame-retardant, heat-resistant performance, without flame it will not continue to burn, in 204 degrees under for continuous use. When the temperature is higher than 370 â??, it will be carbonized, 2. Stable chemical properties and excellent radiation resistance. 3. Cut-resistant, stab-resistant, wear-resistant, tear-resistant, fireproof, flame retardant as well as other excellent properties. Type: 200D, 400D, 600D, 1000D, 1500D Pictures: Application: Military use, Fire protection, Safety Protection; [engine, high-temperature furnace, high-temperature sheath] Heat Insulation; [wear-resistant, overweight, high-temperature resistant] Sewing Line; Various special-purpose sewing lines, which can compensate the shortcomings of other fire-resistant lines.