BS ISO 23900-4-2015 颜料和填充剂. 扩散方法和在塑料中可扩散性的评定. 采用两辊研磨测定色彩特点和白色颜料在聚乙烯中的易扩散性
Pigments and extenders. Methods of dispersion and assessment of dispersibility in plastics. Determination of colouristic properties and ease of dispersion of white pigments in polyethylene by two-roll milling