PP staple fibers mix with other synthetic fibers (PET fiber etc.) to produce main carpet, sound insulation and heat insulation materials, wheel cover and other products for automotive. As a low melting point fiber, Polypropylene fibers replace glue which give the product characteristics like environmental friendly, light weight, high strength, acid /alkali resistance, high temperature resistance, water repellent, oil absorption, radiation protection, sound insulation, high filter efficiency etc.