GB/T 1633热塑性塑料维卡软化温度(VST)的测定标准
的要求/Materials and articles in contact with foodstuffs. Cutlery and table hollowware . Requirements for cutlery for the preparation of food
EN 1329-1建筑物内土壤和废物排放（低温和高温）的塑料管道系统.未增塑聚（氯乙烯）（PVC-U）.第1部分：管道,配件和系统规范/Plastics piping systems for soil and waste discharge (low and high temperature) within the building structure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 1: Specifications for pipes@ fittings and the system
BS 5577非金属手柄餐桌用刀叉餐具规范/Spec
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