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ASTM D6048-02

Historical Revision

Standard Practice for Stress Relaxation Testing of Raw Rubber, Unvulcanized Rubber Compounds, and Thermoplastic Elastomers

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1.1 This practice covers several different techniques for determining the stress relaxation characteristics of rubber and rubberlike materials and for the possible interconversion of this stress relaxation information into dynamic mechanical properties.

1.2 The techniques are intended for materials having stress relaxation moduli in the range of 103 to 108 Pa (0.1 to 1.5 x 104 psi) and for test temperatures from 23 to 225°C (73 to 437°F). Not all measuring apparatus may be able to accommodate the entire ranges. These techniques are also intended for measurement of materials in their rubbery or molten states, or both.

1.3 Differences in results will be found among the techniques. Because of these differences, the test report needs to include the technique and the conditions of the test. This information will allow for resolving any issues pertaining to the test measurements.

1.4 The generalized descriptions of apparatus are based on the measurement of force as a function of time. Mathematical treatment of that relationship produces information that can be representative of material properties. Mathematical transformation of the force measurements will first yield stress relaxation moduli with subsequent transformation producing dynamic mechanical properties.

1.5 The values stated in SI units are to be regarded as the standard. The values given in parentheses are provided for information only.

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.


SDO ASTM: ASTM International
Document Number D6048
Publication Date Dec. 10, 2002
Language en - English
Page Count 15
Revision Level 02
Supercedes
Committee D11.12
Publish Date Document Id Type View
May 1, 2007 D6048-07 Revision
Dec. 10, 2002 D6048-02 Revision
Jan. 1, 1996 D6048-96 Revision
May 1, 2023 D6048-07R23 Reaffirmation
Sept. 1, 2018 D6048-07R18 Reaffirmation
May 1, 2012 D6048-07R12 Reaffirmation