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Standard Test Method for Rubber Property´Durometer Hardness (Includes all amendments And changes 7/23/2021).
Translate name
STANDARD published on 1.8.2015
Designation standards: ASTM D2240-15e1
Note: WITHDRAWN
Publication date standards: 1.8.2015
SKU: NS-802777
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: American technical standard
Category: Technical standards ASTM
Keywords:
durometer, durometer hardness, hardness, indentation hardness, micro durometer hardness,, ICS Number Code 83.060 (Rubber)
Significance and Use | ||||||||||||||||
4.1 This test method is based on the penetration of a specific type of indentor when forced into the material under specified conditions. The indentation hardness is inversely related to the penetration and is dependent on the elastic modulus and viscoelastic behavior of the material. 1.1 This 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. 1.2 This test method is not equivalent to other indentation hardness methods and instrument types, specifically those described in Test Method D1415. 1.3 This test method is not applicable to the testing of coated fabrics. 1.4 All 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. 1.5 The 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. 1.6 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. |
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