ASTM D478-02(2019) - 1.6.2019
 
Significance and Use

3.1 Zinc yellow is used in rust-inhibiting protective coatings and metal primers for ferrous and non-ferrous metals.

 
1. Scope

1.1 This specification covers the pigments commercially known as zinc yellow (zinc chromate).

1.2 Two types are included:

1.2.1 Type I—High-purity, low sulfate and chloride content.

1.2.2 Type II—Regular grade.

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

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.

 
2. Referenced Documents

D185-07(2023)

Standard Test Methods for Coarse Particles in Pigments

D444-88(2020)

Standard Test Methods for Chemical Analysis of Zinc Yellow Pigment (Zinc Chromate Yellow)

D387-00

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