... project, 3,plastic tube 4,MOQ:50m Name: Price of PE pipes Q: The HDPE pipe and steel ... rusty, too weight to moveHDPE pipe: with low price, light weight, never get rusty, but low pressureUHMWPE pipe: ... High pressure(molecular weight more than 3million), light weight, never get rusty, long life use, and ... pipe is not flexible, Thus in the turning of the dredging project, we need rubber joints :Business ...