Thermoplastics pipes and fittings — Water absorption — Part 2: Test conditions for unplasticized poly(vinyl chloride) (PVC-U) pipes and fittings
热塑性塑料管道和配件——吸水性第2部分:未增塑聚氯乙烯(PVC-U)管和配件的试验条件
Specifies the test conditions for determing the water absorption and gives its preferred maximum value. Describes the principle and the test procedure. The absorption values appropriate for the intended applications are given in the relevant product standards. Annex A is for information only.