Plastics piping systems for soil and waste discharge (low and high temperature) within the building structure. Styrene copolymer blends (SAN + PVC). Specifications for pipes, fittings and the system|Pipes, Plastics, Waste-water drainage, Styrene, Physical properties of materials, Drainage, Spigot-and-socket joints, Pipework systems, Water supply and waste systems (buildings), Sealing rings, Diameter, Pipe fittings, Polyvinyl chloride, Dimensions, Length, Thickness, Performance, Mechanical properties of materials, Copolymers, Marking