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Normas ASTM – AENOR
ASTM D2639-08

ASTM D2639-08

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

Fecha:
2010-12-31 /Historical
Superseeded by:
Significance and Use:
p>Reliable values of the plastic properties of coals are used to predict or explain the behavior of a coal or blends during carbonization or in other processes such as gasification, liquefaction, and combustion.

Scope:
1.1 This test method covers 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; gieseler; plasticity; rheology; Coal products; Gieseler plastometer; Heating tests--coal/coke; Plastic properties; Plastometer technique
50,46
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