ASTM D769-01(2025)

Detail information

Designation: ASTM D769-01(2025)

Publication date: 01/07/2025

Pages: 2

Country: American technical standard

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Anotation

This specification details the properties and requirements for the pigment commercially known as black synthetic iron oxide, which is manufactured ferrous-ferric oxide obtained by chemical reaction. It shall be a soft dry finely powdered pigment, free of admixtures of other substances. Specimens shall be sampled, chemically tested, and conform accordingly to specified values of the following requirements: total iron oxides (as ferrous and ferric oxide); ferrous iron in iron oxide; water-soluble matter; moisture and other volatile matter; coarse particles (total residue retained on a No. 325 sieve); hydrogen ion concentration (pH value); and mass color, tint character, and tinting strength.


Keywords:
black iron oxide, ferric oxide, ferrous oxide, iron oxide, manganese, pigment, synthetic iron oxide,, ICS Number Code 87.060.10 (Pigments and extenders)