90.20 Standard under periodical review Apr 15, 2024
ISO
ISO/TC 256 Pigments, dyestuffs and extenders
International Standard
87.060.10 Pigments and extenders
Published
This document specifies a general method of test for comparing the lightening (reducing) power of a white pigment with the lightening power of an agreed sample of the same type.
Two procedures (A and B) are specified. Procedure A is quicker than procedure B and is suitable for testing one sample of pigment; procedure B is better for testing several samples, and especially if a pigment of unknown lightening power is being tested.
WITHDRAWN
ISO 787-17:2002
PUBLISHED
ISO 787-17:2019
90.20
Standard under periodical review
Apr 15, 2024