HDPE Black Electrofusion 90 degree Elbow: 1.Material: high quality PE80 or PE100 2.Sizes: 20 to 400mm 3.Pressure Rating: 1.0MPa, 1.25MPa, 1.6MPa 4.Colors: Usually black, Other colors need to be made to order 5.Standard: GB/T13663.2-2005 6.Applications: water supply, industrial liquids transportation and sewage treatment