HDPE wave pipe 1.PE60,80,100 etc. 2.Manufactured according to DIN8074/ ... SN8Standard: prEN 13476-1Certification: ISO9001, ISO14001, OHSAS18001Applications: municipal drainage, agricultural irrigation and cable conduitAdvantages: light weight, impact resistance, low frictional coefficient ... , chemical resistance, easy joint and long service time High quality HDPE wave pipe