GB/T 40357-2021
Hair products—Determination of the permeability of hairpiece to air (English Version)

Standard No.

GB/T 40357-2021

Language

Chinese, Available in English version

Release Date

2021

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Latest

GB/T 40357-2021

Scope

This document specifies the test method for air permeability of hair products. This document is applicable to wigs, wigs and wigs with a bottom structure made of various types of human hair, chemical fibers and other hairs as the main raw materials.

GB/T 40357-2021 Referenced Document

• GB/T 6529 Textiles.Standard atmospheres for conditioning and testing
• GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values

GB/T 40357-2021 history

• 2021 GB/T 40357-2021 Hair products—Determination of the permeability of hairpiece to air