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

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.