... filament anti-aging, anti-UV polypropylene yarn, High-strength polypropylene filament, polypropylene filament,polypropylene filament anti- ... (commonly known as:polypropylene yarn, high-strength polypropylene) 350D-3500D coloredhigh-strength polypropylene yarn, because of their ... cloth, ropes, cable,high-pressure fire hose, conveyor belt, industrial sewing thread,canvas tent, crack polypropylene fibers ...