ASTM D 2240 : 2015 : R2021
Current
The latest, up-to-date edition.
Standard Test Method for Rubber Property—Durometer Hardness
Hardcopy , PDF
English
23-07-2021
Committee |
D 11
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DocumentType |
Test Method
|
Pages |
13
|
PublisherName |
American Society for Testing and Materials
|
Status |
Current
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Supersedes |
1.1This test method covers twelve types of rubber hardness measurement devices known as durometers: Types A, B, C, D, DO, E, M, O, OO, OOO, OOO-S, and R. The procedure for determining indentation hardness of substances classified as thermoplastic elastomers, vulcanized (thermoset) rubber, elastomeric materials, cellular materials, gel-like materials, and some plastics is also described.
1.2This test method is not equivalent to other indentation hardness methods and instrument types, specifically those described in Test Method D1415.
1.3This test method is not applicable to the testing of coated fabrics.
1.4All materials, instruments, or equipment used for the determination of mass, force, or dimension shall have traceability to the National Institute for Standards and Technology, or other internationally recognized organizations parallel in nature.
1.5The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only. Many of the stated dimensions in SI are direct conversions from the U. S. Customary System to accommodate the instrumentation, practices, and procedures that existed prior to the Metric Conversion Act of 1975.
1.6This 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.
1.7This 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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