What is polypropylene

PP (polypropylene), a Chinese name for polypropylene, is a polymer obtained by radical polymerization of propylene monomer. It has a non-toxic, odorless, tasteless, milky white high crystalline shape and is a crystalline material. At present, there are many varieties of polypropylene resins produced in China, such as flat-grade polypropylene, biaxially oriented polypropylene special resin (BOPP special material), injection-grade polypropylene and ethylene propylene poly-polypropylene.