... al Features:Material: Random Polypropylene Sizes: 20 to160mm Pressure Rating: 1.25MPa, 1.6MPa, 2.0MPa ,2.5MPa Colors: light grey, white ... Heat Preservation: low thermal conductivity which is only 1/1500 of brass pipe, and 1/250 of steel pipe Non-toxic: no ... Environment-friendly PP-R Water Supply Pipe SIZE PN 1.0MPaPN 1.25MPaPN 1.6MPaPN 2.0MPaOuterDiameterd(mm) WallThicknesse(mm)Wall Thicknesse(mm ...