ASTM D4315-21(2025)

1.1 These test methods cover chemical and physical tests for zinc oxide that are considered to be important to its use in rubber compounding.

1.2 The tests appear in the following order:

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific precautions, see 5.2.

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.

3.1 These test methods may be used for quality control of zinc oxide used as a compounding material and for research and development studies where zinc oxide is used in a rubber mix.