BS EN ISO 787-1:2017

This standard BS EN ISO 787-1:2017 General methods of test for pigments and extenders is classified in these ICS categories:

• 87.060.10 Pigments and extenders

1.1 This part of ISO 787 specifies a general method of test for comparing the colour of a coloured pigment with that of an agreed sample.

1.2 Either of the procedures described in clause 6 is acceptable but the method using an automatic muller is the reference method.

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 modifications which may be needed in view of the special properties of the material in question. Only when the procedures given in this general method are not applicable to a particular material should a special method for comparison of colour be specified.