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ASTM E1356-23

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Standard Test Method for Assignment of the Glass Transition Temperatures by Differential Scanning Calorimetry (Withdrawn 2023)

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1.1 This test method covers the assignment of the glass transition temperatures of materials using differential scanning calorimetry or differential thermal analysis.

1.2 This test method is applicable to amorphous materials or to partially crystalline materials containing amorphous regions, that are stable and do not undergo decomposition or sublimation in the glass transition region.

1.3 The normal operating temperature range is from −120 °C to 500 °C. The temperature range may be extended, depending upon the instrumentation used.

1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.5 ISO standards 11357–2 is equivalent to this standard.

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.7 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.


5.1 Differential scanning calorimetry provides a rapid test method for determining changes in specific heat capacity in a homogeneous material. The glass transition is manifested as a step change in specific heat capacity. For amorphous and semicrystalline materials the determination of the glass transition temperature may lead to important information about their thermal history, processing conditions, stability, progress of chemical reactions, and mechanical and electrical behavior.

5.2 This test method is useful for research, quality control, and specification acceptance.

SDO ASTM: ASTM International
Document Number E1356
Publication Date Aug. 1, 2023
Language en - English
Page Count 4
Revision Level 23
Supercedes
Committee E37.01
Publish Date Document Id Type View
Aug. 1, 2023 E1356-23 Revision
March 15, 2014 E1356-08R14 Revision
Sept. 1, 2008 E1356-08 Revision
April 10, 2003 E1356-03 Revision
May 10, 1998 E1356-98 Revision