ASTM D79-86(1999) - 10.5.1999
 
1. Scope

1.1 This specification covers the pigments commercially known as "zinc white" or zinc oxide. The pigments may be purchased in the dry form or as a paste in oil.

Note-Zinc oxides are used in many industries. For additional information, see Specification D4295 and Test Methods D4315 for descriptions of zinc oxide use in rubber compounding.
 
2. Referenced Documents

D281-12(2021)

Standard Test Method for Oil Absorption of Pigments by Spatula Rub-out

D332-87(2020)

Standard Test Method for Relative Tinting Strength of White Pigments by Visual Observation

D1483-12(2023)

Standard Test Method for Oil Absorption of Pigments by Gardner-Coleman Method

D2745-00(2023)

Standard Test Method for Relative Tinting Strength of White Pigments by Reflectance Measurements

D185-07(2023)

Standard Test Methods for Coarse Particles in Pigments

D3280-85(2020)

Standard Test Methods for Analysis of White Zinc Pigments

D4295-89(2025)

Standard Classification for Rubber Compounding Materials—Zinc Oxide

D280-01(2023)

Standard Test Methods for Hygroscopic Moisture (and Other Matter Volatile Under the Test Conditions) in Pigments

D4315-21(2025)

Standard Test Methods for Rubber Compounding Material—Zinc Oxide

E20-85

Practice for Particle Size Analysis of Particulate Substances in the Range of 0.2 to 75 UM by Optical Microscopy (Withdrawn 1994)