EN ISO 23900-4:2018 颜料和增量剂 - 分散性和塑料分散性评估方法 - 第4部分:通过双辊研磨测定白色颜料在聚乙烯中的共焦性和易分散性
Pigments and extenders - Methods of dispersion and assessment of dispersibility in plastics - Part 4: Determination of colouristic properties and ease of dispersion of white pigments in polyethylene by two-roll milling