This specification covers molybdate orange dry pigments made by chemical coprecipitation of lead chromate and lead molybdate, with or without admixtures of other insoluble lead compounds or other materials. Mixing the pigments with a white pigment should produce tints with required mass colors and characters. The dry pigments should be subjected to chemical analysis, The dry pigments should conform to the specified requirements for chromium content, molybdenum content, moisture and other volatile matter content, coarse particle content, water-soluble matter content, mass color and tinting strength, and resistance to loss of gloss, chalking, and color change.

1.1 This specification covers the pigment known as molybdate orange.

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

1.3 The following hazard caveat applies to the test method portion of this specification only. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 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.