ASTM International - ASTM D1199-86(1999)
Standard Specification for Calcium Carbonate Pigments
|Publication Date:||10 May 1999|
|ICS Code (Pigments and extenders):||87.060.10|
1.1 This specification covers two types of high-content calcium carbonate pigments, as follows:
1.1.1 Type PC- Calcium carbonate precipitate, prepared either by complete solution or by carbonation of lime.
1.1.2 Type GC- Ground mineral product.
1.2 Six grades of pigments, based on particle size (see 3.3) are covered.