1.the weight to be light, 2. good intensity, 3.anti-corrosive 4.,notscaling ... 6mmPressureRating: 1.25MPa,1.60MPa,2.0MPa,2.5MPaColors:light grey,white,green,or other on requestConnection:socket fusion ... resist chemical matters or electron chemical corrosionLower Installation Costs: light weight and ease of installation can reduce installation costs by ... 3151101012.315.118.316014.617.921.926.6 fitting pipe