GB/T 42697-2023 Active National standards

GB/T 42697-2023 Nonwovens—Test method for porosity

GB/T 42697-2023 Nonwovens—Test method for porosity

Publish Date: 2023-05-23 Implement Date: 2023-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 42697-2023

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Baseline standards and general methods

ICS Name: Textiles

Publish Date: 2023-05-23

Implement Date: 2023-12-01

Pages: 7 pages

Scope

This document describes the test methods for measuring the porosity of nonwoven fabrics using the mass density method and the true volume method. This document is applicable to all types of nonwoven fabrics except fluffy nonwoven fabrics.

Development Information

Word Count: 15 Thousand words Pages: 7 pages

Referenced Standards

GB/T 24218.2-2009 Textiles—Test methods for nonwovens—Part 2:Determination of thickness GB 6529-1986 Standard atmospheres for textiles conditioning and testing GB/T 6529-2008 Textiles—Standard atmospheres for conditioning and testing GB/T 24218.1-2009 Textiles—Test methods for nonwovens—Part 1:Determination of mass per unit area

Related Standards

GB 6529-1986 Replaced

GB 6529-1986 Standard atmospheres for textiles conditioning and testing

Publish Date: 1986-06-25

GB 7565-1987 Replaced

GB 7565-1987 Textiles—Tests for color fastness—Specification for standard adjacent fabric:Cotton and viscose

Publish Date: 1987-03-26

GB/T 7742-1987 Replaced

GB/T 7742-1987 Textiles—Determination of bursting strength and bursting distension—Diaphragm method

Publish Date: 1987-05-22

GB/T 733-1987 Replaced

GB/T 733-1987 Gunnybags, hessiancloth—Methods of testing

Publish Date: 1987-11-19

GB/T 736-1987 Replaced

GB/T 736-1987 Hessiancloth—Technical requirements

Publish Date: 1987-11-19

GB/T 737-1987 Replaced

GB/T 737-1987 Hessiancloth—Grading stipulation

Publish Date: 1987-11-19