ASTM D2639/D2639M-21
Standard Test Method for Plastic Properties of Coal by the Constant-Torque Gieseler Plastometer

Standard No.

ASTM D2639/D2639M-21

Release Date

2021

Published By

American Society for Testing and Materials (ASTM)

Status

Be replaced

Replace By

ASTM D2639/D2639M-21a

Latest

ASTM D2639/D2639M-23

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 wher

ASTM D2639/D2639M-21 history

• 2023 ASTM D2639/D2639M-23 Standard Test Method for Plastic Properties of Coal by the Constant-Torque Gieseler Plastometer
• 2022 ASTM D2639/D2639M-22 Standard Test Method for Plastic Properties of Coal by the Constant-Torque Gieseler Plastometer
• 2021 ASTM D2639/D2639M-21a Standard Test Method for Plastic Properties of Coal by the Constant-Torque Gieseler Plastometer
• 2021 ASTM D2639/D2639M-21 Standard Test Method for Plastic Properties of Coal by the Constant-Torque Gieseler Plastometer
• 2019 ASTM D2639/D2639M-19 Standard Test Method for Plastic Properties of Coal by the Constant-Torque Gieseler Plastometer
• 2016 ASTM D2639/D2639M-16 Standard Test Method for Plastic Properties of Coal by the Constant-Torque Gieseler Plastometer
• 2013 ASTM D2639/D2639M-13 Standard Test Method for Plastic Properties of Coal by the Constant-Torque Gieseler Plastometer
• 2008 ASTM D2639-08 Standard Test Method for Plastic Properties of Coal by the Constant-Torque Gieseler Plastometer
• 2004 ASTM D2639-04e1 Standard Test Method for Plastic Properties of Coal by the Constant-Torque Gieseler Plastometer
• 2004 ASTM D2639-04 Standard Test Method for Plastic Properties of Coal by the Constant-Torque Gieseler Plastometer
• 1998 ASTM D2639-98 Standard Test Method for Plastic Properties of Coal by the Constant-Torque Gieseler Plastometer