ASTM D3721-05(2019)

Detail information

Designation: ASTM D3721-05(2019)

Publication date: 01/05/2019

Pages: 2

Country: American technical standard

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Anotation

This specification covers synthetic red iron oxide pigment for use in paints and coatings manufactured by any of the following: calcination of iron salts, precipitation from iron salts, calcination of synthetic iron oxide, and product of organic reduction. The pigment shall conform to the requirements prescribed for the following: total iron oxide content, sulfur content, moisture and other volatile matter content, organic coloring matter content, coarse particles in dry pigments (total residue retained), matter soluble in water, and pH value. If the pigments are available in a range of colors, the mass color and the tinting strength or character of the tint formed by mixture with a white pigment shall be within the specified limits. The sampling and test methods to determine conformance of the pigments to the specified properties are given.


Keywords:
iron oxide, manganese, pigments,, ICS Number Code 87.060.10 (Pigments and extenders)