1.the weight to be light, 2. good intensity, 3.anti-corrosive 4.,notscaling, ... pipe Detailed Product DescriptionMaterial: Random polypropyleneSize: diameter:16 to 160mm,thickness:2.0 to 26.6mmPressureRating: 1.25MPa,1.60MPa,2.0MPa ... maximum sustained working temperature is up to 70 Degrees Celsius, the maximum transient temperature is up to 95 Degrees CelsiusHeat Preservation: low thermal ...