タイトルまたは説明

PP-R (Polypropylene-random copolymer) is a random copolymer of polypropylene, often known as type three polypropylene, by a small amount of ethylene monomer and propylene polymerized by railless copolymerization, it neutralizes the advantages of PP-H, PP-B, can not only withstand a certain high temperature, but also improve the low temperature impact resistance. Become more ideal, can be widely used in hot and cold water systems.