Polypropylene
PP (Polypropylene, hereinafter referred to as PP) is a semicrystalline thermoplastic plastics.It has high impact resistance, strong mechanical properties and resistance to a variety of organic solvents and acid base corrosion.Has wide application in industry, including packaging material and tags, textiles (for example, rope, thermal underwear and carpet), stationery, plastic parts and various types of reusable containers, thermoplastic polymer used in the laboratory equipment, speakers, auto parts, and polymer notes, is one of the usual common polymer materials.