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ASTM C886-21
Standard Test Method for Scleroscope Hardness Testing of Carbon and Graphite Materials
1.1This test method covers the apparatus and procedure for determining the hardness of carbon and graphite materials using the Model C-2 scleroscope2 with the hammer calibrated for use on carbon and graphite materials with particles smaller than 0.8 mm.3
1.2The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3This 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.
1.4This 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.
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ASTM International [astm]
