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.
