标准编号：ISO 23900-5:2015
中文名称：颜料和填充剂 塑料中可分散性统计和评估方法 第5部分：过滤测定压力值
英文名称：Pigments and extenders — Methods of dispersion and assessment of dispersibility in plastics — Part 5: Determination by filter pressure value test
发布日期：2015-05
标准范围
This part of ISO 23900 specifies a method of assessing the degree of dispersion of a colorant in athermoplastic polymer.The method is suitable for testing colorants in the form of colour concentrates in all polymers used forextrusion and melt-spinning processes.The filter pressure value (FPV) determined according to this method is valid only for the equipment,conditions and test polymer being used. The use of test conditions differing from those specified mightgive different results. The method of preparing the colour concentrate is not specified in this part ofISO 23900. The results obtained for individual colorants are therefore comparable only when the samemethod of preparation for colour concentrates is used.
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