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1.1 This practice covers the evaluation methods for the compounding material commercially known as recycled vulcanizate particulate rubber. The methods are of general usage in quality control or are needed for the classification of the recycled vulcanizate particulate rubber according to Classification D5603.

1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.

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.

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.

4.1 For quality control and classification purposes, it is required to determine the composition of recycled vulcanizate particulate rubber.

4.2 This practice provides references for standard test methods for composition analysis of rubber and offers a guide for methods widely applied by the recycling industry.