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.Cross References:ISO 18451-1ISO 788ISO 15528All current amendments available at time of purchase are included with the purchase of this document.