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ASTM D746-13
Standard Test Method for Brittleness Temperature of Plastics and Elastomers by Impact
STANDARD published on 1.6.2013
The information about the standard:
Designation standards: ASTM D746-13
Note: WITHDRAWN
Publication date standards: 1.6.2013
SKU: NS-38507
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: American technical standard
Category: Technical standards ASTM
Annotation of standard text ASTM D746-13 :
Keywords:
brittle failure, brittleness temperature, elastomer, impact plastics, ICS Number Code 83.060 (Rubber), 83.080.01 (Plastics in general)
Additional information
| Significance and Use | ||||||||||||||||||||||
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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 long-time effects such as crystallization, or those effects that are introduced by low-temperature incompatibility of plasticizers in the material under test. Plastics and elastomers are used in many applications requiring low-temperature flexing with or without impact. Use data obtained by this method to predict the behavior of plastic and elastomeric materials at low temperatures only in applications in which the conditions of deformation are similar to those specified in this test method. This test method has been found useful for specification purposes, but does not necessarily measure the lowest temperature at which the material is suitable for use. |
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| 1. Scope | ||||||||||||||||||||||
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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 routine inspection and acceptance procedures are also provided. 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.
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Standard Specification for Industrial Platinum Resistance Thermometers
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ISO?974
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Plastics--Determination of the Brittleness Temperature by Impact ISO Standards Handbook 21, Vol 1. ISO Standards are available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036.
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Detailed Drawing of a Typical Clamp A detailed drawing of a typical clamp may be obtained from ASTM Headquarters. Order Adjunct : .
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Standard Practice for Rubber Conditioning For Low Temperature Testing
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Standard Terminology Relating to Plastics
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Standard Test Method for Brittleness Temperature of Plastic Sheeting by Impact
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Standard Test Methods for Rubber Property´Brittleness Point of Flexible Polymers and Coated Fabrics
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Standard Specification for ASTM Liquid-in-Glass Thermometers
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Standard Test Method for Inspection and Verification of Thermometers
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Standard Practice for Conditioning Plastics for Testing
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Standard Specification for Mineral-Insulated, Metal-Sheathed Base Metal Thermocouples |
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