... retardant properties, and can withstand temperature of 300 degrees, cut-resistant performance.2,Company produces a variety of pure aramid yarn, including single yarn ... /2 20/2 30/2, 40 / 2, etc.), three strands of sewing thread (10/3 20/3 30/3 40/3 ... yarn can be used as the warp and weft yarns of aramid fabric, protective clothing, high temperature filter felt fabric sewing ...