ISO 10639:2017 Plastics piping systems for pressure and non-pressure water supply . Glass-reinforced thermosetting plastics (GRP) systems based on unsaturated polyester (UP) resin

Link: ISO 10639:2017 Plastics piping systems for pressure and non-pressure water supply . Glass-reinforced thermosetting plastics (GRP) systems based on unsaturated polyester (UP) resin
Source: BSI Standards