GB/T 13465.11-2025 Active National standards

GB/T 13465.11-2025 Test method of impermeable graphite materials—Part11:Penetration coefficient

GB/T 13465.11-2025 Test method of impermeable graphite materials—Part11:Penetration coefficient

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 13465.11-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Non-metallic chemical machinery and equipment

ICS Name: Chemical equipment

Publish Date: 2025-08-29

Implement Date: 2026-03-01

Pages: 12 pages

Scope

This document describes the test method for measuring the permeability coefficient of impermeable graphite materials using the vacuum attenuation method.
This document is suitable for testing the permeability coefficient of impermeable graphite materials under natural environmental conditions, with air as the test gas, and a permeability coefficient ranging from 1×10-6 mm2/s to 1mm2/s.

Development Information

Word Count: 13 Thousand words Pages: 12 pages

Referenced Standards

GB/T 13465.1-2002 Test method of mechanical properties of impermeable graphite materials—General GB/T 13465.1-2014 Test method of impermeable graphite materials—Part 1:General of test method for mechanical properties GB/T 13465.1-2024 Test method of impermeable graphite materials—Part 1:General HG/T 2059-2014 Non-permeable Graphite Tubing Technical Conditions HG/T 2059-2004 Non-permeable Graphite Tubing Technical Conditions

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