ASTM C886 - 98(2015)
Standard Test Method for Scleroscope Hardness Testing of Carbon and Graphite Materials
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Significance and Use
4.1 The scleroscope is a rebound hardness tester with a scale divided into 140 equal parts. For carbon and graphite materials, there is no established correlation between the Scleroscope hardness scale and other hardness scales. The test is useful in the evaluation and the manufacturing control of carbon and graphite materials.
1. Scope
1.1 This 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
1.2 The values stated in SI units are to be regarded as 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 and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
E171 Practice for Conditioning and Testing Flexible Barrier Packaging
E448 Practice for Scleroscope Hardness Testing of Metallic Materials
ANSI Standard
ANSI C64.1 Brushes for Electrical MachinesICS Code
ICS Number Code 71.100.99 (Other products of the chemical industry)
UNSPSC Code
UNSPSC Code 11101507(Graphite); 12141908(Carbon C)
Referencing This Standard
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DOI: 10.1520/C0886-98R15
Citation Format
ASTM C886-98(2015), Standard Test Method for Scleroscope Hardness Testing of Carbon and Graphite Materials, ASTM International, West Conshohocken, PA, 2015, www.astm.org
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