This standard specification covers wet ground mica pigments for use in the manufacture of protective coatings. Pigments shall be made by wet grinding muscovite mica. Properties such as density, moisture, grit, coarse particles, residue, ignition loss, and color shall conform to the requirements of the specification.

1.1 This specification covers two types of finely divided muscovite mica, commercially known as wet ground mica, suitable for use in the manufacture of protective coatings.

1.2 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.