This Pakistan Standard specifies a method for testing oven moulded fittings of unplasticized polyvinyl chloride for use under pressure, in order to determine the quality of the material under moulding conditions.
PS 1635-1984 history
1984PS 1635-1984 SPECIFICATION FOR MOULDED FITTINGS IN UNPLASTTCIZED POLYVINYL CHLORIDE (PVC) FOR USE UNDER PRESSURE-OVEN TEST