T/GDNA 004-2021 Active Group standards

T/GDNA 004-2021 The determination of pore characteristics in textiles using gas-liquid displacement method

Publish Date: 2021-11-12 Implement Date: 2021-11-12 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: T/GDNA 004-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Textiles

Publish Date: 2021-11-12

Implement Date: 2021-11-12

Scope

Scope: This standard specifies the test method for determining the pore characteristics (including maximum pore size, average pore size, and pore size distribution) of textiles using the gas-liquid displacement method. This standard applies to all types of woven fabrics, knitted fabrics, nonwoven materials, and composite materials. Other materials can refer to this standard for implementation. Main technical content: (1) Determination of the standard name; (2) Clarification of the scope of application of the standard; (3) Normative reference documents; (4) Terms and definitions; (5) Testing principle; (6) Analysis of the influence of immersion liquid on test results.