... anti-rust paint Our products are produced strictly in accordance with different standards as ISO 6594 , ASTM A888 , EN ... sanitary Drain, Waste, and Vent, sewer drainage applications. Compared with plastic(PVC) pipes, cast iron pipe is more soild ... traps, access pieces with circle door, access pipeces with rectangular door, access pieces with manual door, etc.Surface finish: With epoxy resin or powder ...