ASTM-D7426 2008

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D7426-08 Standard Test Method for Assignment of the DSC Procedure for Determining T_g of a Polymer or an Elastomeric Compound

Published By	Publication Date	Number of Pages
ASTM	2008	4

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Categories: 83.080.10 - Thermosetting materials, ASTM

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Description

ASTM D7426-08

Historical Standard: Standard Test Method for Assignment of the DSC Procedure for Determining T_g of a Polymer or an Elastomeric Compound

ASTM D7426

Scope

1.1 This test method covers the assignment of the glass transition temperatures (T_g) of materials using differential scanning calorimetry.

1.2 This test method is applicable to amorphous materials, including thermosets or semicrystaline 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 to 500°C. The temperature range may be extended, depending upon the instrumentation used.

1.4 Computer or electronic-based instruments, techniques, or data treatment equivalent to this test method may also be used.

Note 1—Users of this test method are expressly advised that all such instruments or techniques may not be equivalent. It is the responsibility of the user of this standard to determine the necessary equivalency prior to use.

1.5 ISO 11357–2 is equivalent to this test method.

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

1.7 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.

Keywords

differential scanning calorimetry (DSC); differential thermal analysis (DTA); glass transition; specific heat capacity

ICS Code

ICS Number Code 83.080.10 (Thermosetting materials)

DOI: 10.1520/D7426-08

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology
2	Summary of Test Method Significance and Use Interferences Apparatus FIG. 1
3	Specimen Preparation Calibration Procedure Report Precision and Bias
4	Keywords TABLE 1 TABLE 2

Additional information

Standard Title	D7426-08 Standard Test Method for Assignment of the DSC Procedure for Determining T<sub>g</sub> of a Polymer or an Elastomeric Compound
Published Code	ASTM
Publication Date	2008
Pages Count	4
ICS Codes	83.080.10 - Thermosetting materials