The full name of PP is polyphropylene, and the Chinese name is polypropylene. NW is the abbreviation of nowoven, which is nonwoven or non-woven. It is a non woven fabric formed by the fiber through air flow or mechanical mesh, then through prick, acupuncture, or hot rolling reinforcement and finishing. Ppnw means nonwovens made of PP fiber. Because of the properties of PP, the final performance of the cloth is high strength, but the hydrophilic property is poor. Generally, the process of ppnw is spinning into mesh and hot rolling. Ppnw is widely used, including packing bags, surgical protective clothing, industrial cloth, etc.
PE is polyethylene, as understood above.
It can be recycled.
