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:

Test	Section

Zinc Oxide	5
Lead and Cadmium	6
Sulfur	7
Heat Loss	8
Surface Area	9
Sieve Residue	10

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 and health practices and determine the applicability of regulatory limitations prior to use For specific precautions, see 5.2.