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ASTM International - ASTM D746-07

Standard Test Method for Brittleness Temperature of Plastics and Elastomers by Impact

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Organization: ASTM International
Publication Date: 1 March 2007
Status: inactive
Page Count: 8
ICS Code (Rubber): 83.060
ICS Code (Plastics in general): 83.080.01
significance And Use:

This test method establishes the temperature at which 50 % of the specimens tested fail when subjected to the conditions specified herein. The test provides for the evaluation of long-time effects... View More

scope:

1.1 This test method covers the determination of the temperature at which plastics and elastomers exhibit brittle failure under specified impact conditions. Two routine inspection and acceptance procedures are also provided.

Note 1-When testing rubbers for impact brittleness use Test Methods D 2137.

1.2 The values stated in SI units are to be regarded as the standard.

1.3 Due to the potential safety and environmental hazards associated with mercury-filled thermometers, the use of alternative temperature measuring devices (such as thermocouples and RTDs) is encouraged.

1.4 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.

Note 2-This test method and ISO 974 (E) are technically equivalent when using the Type B fixture and the Type III specimen, however, the minimum number of specimens that are required to be tested is significantly different when using this test method. The ISO method requires that a minimum of 100 specimens be tested.

Document History

June 1, 2020
Standard Test Method for Brittleness Temperature of Plastics and Elastomers by Impact
5.1 This test method establishes the temperature at which 50 % of the specimens tested would probably fail when subjected to the conditions specified herein. The test provides for the evaluation of...
December 1, 2014
Standard Test Method for Brittleness Temperature of Plastics and Elastomers by Impact
1.1 This test method covers the determination of the temperature at which plastics and elastomers (as defined by Terminology D883) exhibit brittle failure under specified impact conditions. Two...
June 1, 2013
Standard Test Method for Brittleness Temperature of Plastics and Elastomers by Impact
1.1 This test method covers the determination of the temperature at which plastics and elastomers (as defined by Terminology D883) exhibit brittle failure under specified impact conditions. Two...
ASTM D746-07
March 1, 2007
Standard Test Method for Brittleness Temperature of Plastics and Elastomers by Impact
This test method establishes the temperature at which 50 % of the specimens tested fail when subjected to the conditions specified herein. The test provides for the evaluation of long-time effects...
May 1, 2004
Standard Test Method for Brittleness Temperature of Plastics and Elastomers by Impact
1.1 This test method covers the determination of the temperature at which plastics and elastomers exhibit brittle failure under specified impact conditions. Two routine inspection and acceptance...
July 10, 1998
Standard Test Method for Brittleness Temperature of Plastics and Elastomers by Impact
1.1 This test method covers the determination of the temperature at which plastics and elastomers exhibit brittle failure under specified impact conditions. Two routine inspection and acceptance...
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