Polypropylene high-strength yarn features: because of its high strength, light weight, small uniform heat shrinkage, flame retardancy, anti-aging, low thermal conductivity, wear resistance, seawater corrosion resistance, etc., polypropylene high-strength yarn has small color difference, good color fastness, The advantages of high strength. Therefore, polypropylene high-strength yarns are widely used in safety nets, safety belts, safety ropes, industrial slings, industrial cloths, cables, container bags, anti-cracking engineering fibers, high-pressure fire hoses, conveyor belts, industrial sewing threads, polypropylene anti-corrosion Split fiber and other fields, it is a new ideal chemical fiber material to replace polyester, nylon, polyethylene and nylon.