... , not fouling, long service life, etc The PP-R pipe officially named the no rules copolymerization polypropylene tube, ... water supply pipes on home improvement projectsThe PPR pipe are completely integrated into each other by ... and fillers. The quality of curry color pipe is the best among themUsually, old pipes ... higher than that of cold water pipe Pipe diameter of PPR pipe is from 16mm to 160mm,and ...