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ASTM D3722-05(2019)

Historical Reaffirmation

Standard Specification for Natural Red and Brown Iron Oxide Pigments

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1.1 This specification covers dry and wet ground naturally occurring iron oxide, dry and wet ground calcined naturally occurring iron oxide, and mixtures of these with synthetic iron oxides. These pigments are suitable for use in paints, coatings, and many other applications.

1.2 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.


This specification covers red and brown pigments of dry and wet ground natural iron oxide, dry and wet ground calcined natural iron oxide, and mixtures of these with synthetic iron oxides. These pigments are suitable for such applications as paints and coatings. Specimens shall be sampled and suitably undergo chemical analysis for total iron oxide, sulfur as sulfates, organic coloring matter, matter soluble in water, coarse particles in dry pigment, and moisture and other volatile matter. The pigments shall also conform to specified mass color, tint character, and tinting strength as mutually agreed upon between purchaser and seller.


SDO ASTM: ASTM International
Document Number D3722
Publication Date May 1, 2019
Language en - English
Page Count 2
Revision Level 05(2019)
Supercedes
Committee D01.31
Publish Date Document Id Type View
Sept. 1, 2005 D3722-05 Revision
May 1, 2019 D3722-05R19 Reaffirmation
June 1, 2011 D3722-05R11 Reaffirmation
May 10, 1999 D3722-82R99 Reaffirmation