GB/T 9973-2025 Active National standards

GB/T 9973-2025 Test methods for permeability of carbon materials

GB/T 9973-2025 Test methods for permeability of carbon materials

Publish Date: 2025-08-29 Implement Date: 2026-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 9973-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Carbon materials

ICS Name: Conductor materials

Publish Date: 2025-08-29

Implement Date: 2026-03-01

Pages: 16 pages

Scope

This document describes the test method for the air permeability of carbon materials.
This document is suitable for measuring the air permeability of carbon materials at room temperature, and it is also suitable for measuring the air permeability of blast furnace refractory materials.

Development Information

Word Count: 25 Thousand words Pages: 16 pages

Replace the following standards

GB/T 9973-2006 Test method for permeability of carbon materials

Referenced Standards

GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 8718-1988 The terms of carbon materials GB/T 8718-2008 The terms of carbon materials

Related Standards

GB/T 3072-1982 Abolished

GB/T 3072-1982 Graphite electrodes

Publish Date: 1982-05-10

GB/T 8719-1997 Replaced

GB/T 8719-1997 General rule for packing, marking, storage, transport and quality certificates of carbonaceous material and products

Publish Date: 1997-11-11

GB/T 14898-2004 Abolished

GB/T 14898-2004 Graphite for making synthetic diamond

Publish Date: 2004-05-10

GB/T 9973-2006 Replaced

GB/T 9973-2006 Test method for permeability of carbon materials

Publish Date: 2006-02-05

GB/T 3074.1-2008 Replaced

GB/T 3074.1-2008 Method for the determination of the flexure strength of graphite electrodes

Publish Date: 2008-05-13

GB/T 3074.2-2008 Replaced

GB/T 3074.2-2008 Method for the determination of the elastic modulus of graphite electrodes

Publish Date: 2008-05-13