ASTM-D2639 Standard Test Method for Plastic Properties of Coal by the Constant-Torque Gieseler Plastometer

ASTM-D2639 - 2023 EDITION - CURRENT
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Standard Test Method for Plastic Properties of Coal by the Constant-Torque Gieseler Plastometer
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Scope

1.1 This test method gives a relative measure of the plastic behavior of coal when heated under prescribed conditions. This test method may be used to obtain semiquantitative values of the plastic properties of coals and blends used in carbonization and in other situations where determination of plastic behavior of coals is of practical importance.

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

1.3 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

carbonization; contraction; dial divisions; expansion; fluidity; geisler; plasticity; rheology; ICS Number Code 75.160.10 (Solid fuels)

To find similar documents by ASTM Volume:

05.06 (Gaseous Fuels; Coal and Coke)

To find similar documents by classification:

75.160.10 (Solid fuels Including coal products, coke, peat, wood, derivatives of coal pyrolysis, etc. Coals, see 73.040)

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Document Number

ASTM-D2639_D2639M-23

Revision Level

2023 EDITION

Status

Current

Modification Type

Revision

Publication Date

March 30, 2023

Document Type

Test Method

Page Count

7 pages

Committee Number

D05.15