Standard No.:	GB/T 12704.1-2009
English Name:	Textiles - Test method for water-vapour transmission of fabrics - Part 1: Desiccant method
Chinese Name:	纺织品 织物透湿性试验方法 第1部分：吸湿法
Chinese Classification:	W04    Basic standards and general methods
Professional Classification:	GB    National Standard
ICS Classification:	59.080.30 59.080.30    Textile fabrics 59.080.30
Issued by:	AQSIQ;SAC
Issued on:	2009-3-19
Implemented on:	2010-1-1
Status:	valid
Superseding:	GB/T 12704-1991 Fabrics－Determination of water vapour transmission rate－Dish method
Language:	English
File Format:	PDF
Word Count:	3000 words
Price(USD):	60.00
Delivery:	via email in 1 business day

This part of GB/T 12704 specifies the method to determine water-vapor transmission of fabrics with desiccant method.

This part is applicable to various fabrics with thickness less than 10mm and not applicable to the fabrics with water-vapor transmission rate larger than 29000g/(m2·24h)".

Foreword I
1 Scope
2 Normative Reference
3 Terms and Definitions
4 Principle
5 Apparatus and Materials
6 Preparation and Conditioning of Specimen
7 Test Conditions
8 Test Procedures
9 Result Calculation
10 Test Report
Appendix A (Normative) Relationship between Saturated Water Vapor Pressure and Temperature