DIN 53774-1-1988 塑料着色剂的检验.未增塑的聚氯乙烯(PVC-U)材料着色剂的检验.第2部分:基本混合物的组分和制备
Testing of colouring materials; testing of colouring materials in unplasticized polyvinyl chloride (PVC-U) materials; composition and preparation of basic mixtures
The standard lays down a method for preparation of basic mixtures for testing of colouring materials in unplasticized polyvinyl chloride (PVC-U) materials and the composition of these basic mixtures.