Unplasticized polyvinyl chloride (PVC-U) pipes and fittings for drinking water supply--Extractability of lead,tin,cadmium and mercury occurring as impurities--Test method and permitted levels
基本信息
标准号:
GB 9644-1988
名称:
硬聚氯乙烯(PVC-U) 饮水管材和管件 铅、锡、镉、汞的萃取方法及允许值
英文名称:
Unplasticized polyvinyl chloride (PVC-U) pipes and fittings for drinking water supply--Extractability of lead,tin,cadmium and mercury occurring as impurities--Test method and permitted levels