DIN EN ISO 23900-4 : 2018 Title: 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 (ISO 23900-4:2015) Year: 2018 Publisher: DIN Media GmbH Availability: Within 1-2 working days