... , 1.25Mpa, 1.6Mpa Color: Black or others on request Connection: Socket-fusion jointed, butt-fusion jointed , electric-fusion jointed, flanged ... mediums, or electron chemical corrosion. except for few strong oxidants3.High strength, good performance to resist the environmental stress cracking, good ... under normal conditions.8.Recyclable, benefit to the environmentOur company: high quality PE gas pipe