Standard Specification for Ochre Pigment
NORMA vydána dne 1.6.2023
Designation standards: ASTM D85-05(2023)
Publication date standards: 1.6.2023
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: American technical standard
Kategorie: Technické normy ASTM
This specification covers ferrous earthy pigment included under the general term “ochre.” The pigment shall be a hydrated oxide of iron permeating a siliceous base and shall be free from added impurities and added coloring matter. The following test methods shall be conducted: chemical analysis of dry pigment; coarse particles; mass color and tinting strength; volatile matter; and moisture. The results of these test methods should conform to the pigment requirements.
Keywords:
ferrous, hydrated iron oxide, ochre, pigment,, ICS Number Code 87.060.10 (Pigments and extenders)