1.Non-toxic,odourlessness 2.Acid and alkali-resistance 3.Easy to weld 4.Good wear resistance Polypropylene referred to as PP, is made of polypropylene resin plus auxiliary agent, by extrusion or casting processes. it is usually made into plates, bars or other products.PP rod Specification Color: M gray, white, tother colors can be customized Diameter:15mm-350mm Length: can be any customized Spot ...