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ASTM D6280-98(2020)

Historical Reaffirmation

Standard Specification for Zinc Phosphate Pigments

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1.1 This specification covers three types of pigments commercially known as zinc phosphate each of which may or may not be available in specific grades delineated by particle size or oil absorption.

1.1.1 Type I—Zinc Phosphate, dihydrate predominant.

1.1.2 Type II—Zinc Phosphate, dihydrate tetrahydrate mixture.

1.1.3 Type III—Zinc Phosphate, tetrahydrate predominant.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 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 three types of pigments commercially known as zinc phosphate each of which may or may not be available in specific grades delineated by particle size or oil absorption. The following types of pigments are: Type I which is zinc phosphate, dihydrate predominant, Type II which is zinc phosphate, dihydrate tetrahydrate mixture, and Type III which is zinc phosphate, tetrahydrate predominant. Zinc phosphate functions as both a chemical and a pigment. As a pigment it is used in a variety of applications including that of corrosion inhibiting paints. The pigments shall be subjected to the following tests: specific gravity test, oil absorption test, Hegman grind test, coarse particles test, pH test, specific resistance test, moisture test, and loss on ignition test.


SDO ASTM: ASTM International
Document Number D6280
Publication Date June 1, 2020
Language en - English
Page Count 5
Revision Level 98(2020)
Supercedes
Committee D01.31
Publish Date Document Id Type View
June 10, 1998 D6280-98 Revision
June 1, 2020 D6280-98R20 Reaffirmation
Dec. 1, 2014 D6280-98R14 Reaffirmation
Nov. 1, 2008 D6280-98R08 Reaffirmation
Dec. 1, 2003 D6280-98R03 Reaffirmation