ASTM D3721-05(2019)
ASTM D3721-05(2019)
Standard Specification for Synthetic Red Iron Oxide Pigmentstandard by ASTM International, 05/01/2019
standard by ASTM International, 05/01/2019
1.1This specification covers synthetic red iron oxide for use in paints and coatings manufactured by any of the following:
1.1.1Calcination of iron salts.
1.1.2Precipitation from iron salts.
1.1.3Calcination of synthetic iron oxide.
1.1.4Product of organic reduction.
1.2This 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.