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ASTM D769-01(2025)

Standard Specification for Black Synthetic Iron Oxide
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ASTM D769-01(2025)

Standard Specification for Black Synthetic Iron Oxide

PUBLISH DATE 2025
PAGES 2
ASTM D769-01(2025)

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.

1.1 This specification covers the pigment commercially known as black synthetic iron oxide.

1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

SDO ASTM: ASTM International
Document Number D769
Publication Date July 1, 2025
Language en - English
Page Count 2
Revision Level 01(2025)
Supercedes
Committee D01.31
Publish Date Document Id Type View
July 1, 2025 D0769-01R25 Revision
June 1, 2019 D0769-01R19 Revision
Nov. 1, 2012 D0769-01R12 Revision
Nov. 1, 2007 D0769-01R07 Revision
May 10, 2001 D0769-87R95E01 Revision
May 10, 2001 D0769-01 Revision