What is this standard about?
This part of ISO 787 specifies a general method for comparing the resistance to bleeding of a pigment with that of an agreed sample.
NOTE — When this general method is applicable to a given pigment, only a cross-reference to it should be included in the International Standard relating to that pigment with a note of any detailed modification which may be needed in view of the special properties of the pigment in question. Only when this general method is not applicable to a particular pigment should a special method for comparison of resistance to bleeding be specified.