ASTM-D3847 › Standard Practice for Rubber—Directions for Achieving Subnormal Test Temperatures
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Scope
1.1 This practice covers the general requirements for achieving and maintaining temperatures below 21°C for thermal conditioning and physical testing of rubber.
1.2 This practice describes the acceptable types and construction of low-temperature cabinets for conditioning and testing of rubber, the composition and circulation of heat-transfer media, and the required uniformity and precision of temperature control.
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.5 This 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.
Significance and Use
3.1 Low temperatures are often needed for conditioning of rubber prior to testing, as well as during the test. Conditioning is required to attain a specific temperature that is uniform throughout the specimen or for producing time-dependent effects. Specimens may be conditioned and tested in the same or different chambers.
3.2 This practice is intended to apply particularly, but not exclusively, to the following ASTM Standards: Test Methods D746, D945, D1053, D1229, D1329, D1415, D2136, D2137, D2240, D2632, Practice D832, and Specification E197.
Keywords
brittleness point; low temperature; subnormal test temperature ; temperature dependent test; thermal conditioning;; ICS Number Code 83.060 (Rubber)
To find similar documents by ASTM Volume:
09.01 (Rubber, Natural and Synthetic -- General Test Methods; Carbon Black)
To find similar documents by classification:
83.060 (Rubber Raw rubber, see 83.040.10)
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Document Number
ASTM-D3847-01(2018)
Revision Level
2001 R18 EDITION
Status
Current
Modification Type
Reapproval
Publication Date
June 1, 2018
Document Type
Practice
Page Count
3 pages
Committee Number
D11.10