Active standard | Published: 01/06/2023

ASTM D85-05(2023)

Standard Specification for Ochre Pigment

Available languages: English

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Detail information

Designation: ASTM D85-05(2023)

Publication date: 01/06/2023

Pages: 2

Country: American technical standard

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Anotation

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)

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