Polypropylene is one of the important thermoplastic varieties in polyolefin plastics. It is a high molecular weight polymer of propylene, composed of two elements: C and H. Polypropylene structural formula CCH-CH: CHCH: Polypropylene abbreviation code is the English letters PPCH, CH
The naming and model of polypropylene and propylene copolymer materials are in accordance with the national standard GB/T2546-88. The naming and model are composed of the abbreviation code of polypropylene, the type of polymer, the main purpose index, the melt flow rate, and other characteristics of the material.