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ASTM D478-02(2019)

Historical Reaffirmation

Standard Specification for Zinc Yellow (Zinc Chromate) Pigments

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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.


This specification covers zinc yellow (zinc chromate) pigments used in rust-inhibiting protective coatings and metal primers for ferrous and non-ferrous metals. The two types of pigments include: Type I and Type II. The pigment shall conform to the required composition for zinc, chromium, sulfates, chlorides, alkaline slats, matter insoluble in acetic acid, moisture and other volatile matter, and coarse particles. The following tests shall be conducted: chemical analysis, coarse particles, and mass color and tinting strength.


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

SDO ASTM: ASTM International
Document Number D478
Publication Date June 1, 2019
Language en - English
Page Count 2
Revision Level 02(2019)
Supercedes
Committee D01.31
Publish Date Document Id Type View
July 10, 2002 D0478-02 Revision
June 1, 2019 D0478-02R19 Reaffirmation
June 1, 2012 D0478-02R12 Reaffirmation
Nov. 1, 2006 D0478-02R06 Reaffirmation
Nov. 10, 1997 D0478-86R97 Reaffirmation