* ABS (acrylonitrile butadiene styrene)
* CPVC (chlorinated polyvinyl chloride)
* HDPE (high-density polyethylene)
* PB-1 (polybutylene)
* PE (polyethylene) of various densities, also abbreviated to LDPE, MDPE and HDPE (low, medium and high density polyethylene; the medium density version is at times referred to as "black alkathene" in the UK)
* PE-RT (polyethylene of raised temperature (RT))
* PEX (cross-linked polyethylene)
* PP (polypropylene)
* PVDF (polyvinylidene difluoride)
* UPVC (unplasticized polyvinyl chloride)