DIN EN 13900-3:2003
颜料和填充剂.扩散方法和在塑料中可扩散性的评估.第3部分:用两辊研磨测定色彩特点和黑色及彩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 - Part 3: Determination of colouristic properties and ease of dispersion of black and colour pigments in polyethylene by two-roll milling; German version EN 13900-