Standard Specification for Raw and Burnt Umber Pigments
|Publication Date:||10 May 2001|
|ICS Code (Pigments and extenders):||87.060.10|
1.1 This specification covers the pigments commercially known as raw umber and burnt umber.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.