ASTM D3721-05(2019) - 1.5.2019
 
1. Scope

1.1 This specification covers synthetic red iron oxide for use in paints and coatings manufactured by any of the following:

1.1.1 Calcination of iron salts.

1.1.2 Precipitation from iron salts.

1.1.3 Calcination of synthetic iron oxide.

1.1.4 Product of organic reduction.

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.

 
2. Referenced Documents

D280-01(2023)

Standard Test Methods for Hygroscopic Moisture (and Other Matter Volatile Under the Test Conditions) in Pigments

D50-90(2023)

Standard Test Methods for Chemical Analysis of Yellow, Orange, Red, and Brown Pigments Containing Iron and Manganese

D185-07(2023)

Standard Test Methods for Coarse Particles in Pigments

D387-00

Standard Test Method for Color and Strength of Chromatic Pigments with a Mechanical Muller

D1208-96(2019)

Standard Test Methods for Common Properties of Certain Pigments