ASTM International Standard Practice for Silica\u2014Reference Compound ASTM D8471-22

1.1 This practice covers the standard raw materials, formulation, and mixing procedure for the evaluation and quality control of silica and related technologies, such as silanes and functionalized polymers, in a standardized rubber compound. 1.2 Units\u2014The values stated in SI units are to be regarded as the standard. No other units of measurement are included in this 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.