PIPES AND FITTINGS IN OTHER MATERIALS, a type of PIPES.
Pipes and Fittings in Other Materials are a type of Pipes.
This subcategory exists because fabricating pipes and fittings from materials such as concrete, PVC and titanium demands specialised know?how. It also encompasses copper?based alloys, including bronze, brass and other compositions. The plastics group covers high?density polyethylene, polypropylene and polyethylene. Non?ferrous and multilayer pipes and fittings are usually built from cross?linked polyethylene, an aluminium layer, another polyethylene layer and the adhesives that bond them.