BS EN 1120:1996
塑料管道系统.玻璃增强的热固塑料(GRP)管和配件.偏离规定条件下部件内部耐化学侵蚀性能的测定
Plastics piping systems - Glass-reinforced thermosetting plastics (GRP) pipes and fittings - Determination of the resistance to chemical attack from the inside of a section in a deflected condition