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ASTM D6280-98(2020)
Standard Specification for Zinc Phosphate Pigments
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.
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