... 3.Quality raw material Plumbing tube/pe pipe dn20, HDPE80HDPE Pipe Performance: 1.Non-toxic, health: PE pipe material non-toxic, tasteless, through ... can resistance to various chemical media. 3.Noleakage, : PE pipe is connected by electric melting, its interface strength higher than ... can dramatically reduce the cost for the project. 10.Long service life: dark bury PE pipe normal uses more than five ...