GB/T 5453-1997 (GB/T5453-1997, GBT 5453-1997, GBT5453-1997) & related versions
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Textiles. Determination of the permeability of fabrics to air
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GB/T 5453-1997
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GBT 5453-1997
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| GB/T 5453-1985 | English | RFQ |
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Test method for air permeability of textile fabrics
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GB/T 5453-1997: PDF in English (GBT 5453-1997)
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 59.080.30 W 04
GB/T 5453-1997
eqv ISO 9237.1995 Replacing GB 5453-85
Textiles – Determination of
the Permeability of Fabrics to Air
Issued on. June 09, 1997 Implemented on. December 01, 1997
Issued by. State Bureau of Quality Technical Supervision
Table of Contents
Foreword ... 3
ISO Foreword ... 4
1 Scope ... 5
2 Normative References ... 5
3 Definitions ... 5
4 Principle ... 5
5 Sampling ... 6
6 Standard Atmosphere for Conditioning and Testing ... 6
7 Apparatus ... 6
8 Test Conditions ... 7
9 Procedures ... 7
10 Calculation and Expression of Results ... 8
11 Test Report ... 9
Appendix A (Informative) Apparatus Inspection and Calibration and Test
Guidelines ... 10
Appendix B (Informative) Sampling ... 11
Foreword
This Standard revised GB 5453-85 according to the international standard ISO 9237.1995. The revised text is equivalent to the international standard in terms of main technical contents; meanwhile, adds the content suitable for existing domestic instruments.
Compared with the original standard (GB 5453-85), this Standard has the major changes in the following aspects.
1.
The air permeability index is changed from air permeability capacity to air permeability rate;
2.
Add the requirements for the test area;
3.
The original pressure drop on both sides of the specimen is specified as 13mmH2O (127Pa); now it is changed into 50Pa, 100Pa, 200Pa, 500Pa according to the fabric types;
4.
The test results were added calculation of coefficient of variation CV (%) and 95% confidence interval.
This Standard shall replace GB 5453-85 since the effective date.
The Appendix A, Appendix B of this Standard are informative.
This Standard was proposed by Science and Technology Development Department of China National Textile Council.
This Standard shall be under the jurisdiction of Standardization Research Institute of China National Textile Council.
Drafting organizations of this Standard. Shanghai Textile Science Research Institute, and National Cotton Textile Quality Supervision and Inspection Center.
Chief drafting staffs of this Standard. Li Xiaowen, Mai Jiajun, Wang Baojun, and Yan Meihua.
Textiles – Determination of
the Permeability of Fabrics to Air
1 Scope
This Standard describes a method for measuring the permeability of fabrics to air and is applicable to most types of fabrics, including industrial fabrics, nonwovens and other textile articles that are permeable to air.
2 Normative References
The following standards contain provisions which, through reference in this Standard, constitute provisions of this Standard. At the time of publication, the editions indicated are valid. All standards are subject to revision. The parties who are using this Standard shall explore the possibility of using the latest version of the following standards.
GB 6031-85 Rubber, Vulcanized or Thermoplastic – Determination of Hardness (30~85IRHD)
GB 6529-86 Standard Atmospheres for Textiles Conditioning and Testing
GB 8170-87 Rules for Rounding off of Numerical Values
3 Definitions
This Standard adopts the following definition.
Air permeability
The property of air to penetrating the fabrics. Velocity of an air flow passing perpendicularly through a test specimen under specified conditions of test area, pressure drop and time.
4 Principle
Under specified pressure difference condition, measure the air flow perpendicularly passing through the given specimen area within certain time period, and calculate the
......
| Standard ID | GB/T 5453-1997 (GB/T5453-1997) | | Description (Translated English) | Textiles. Determination of the permeability of fabrics to air | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | W04 | | Classification of International Standard | 59.080.30 | | Word Count Estimation | 8,882 | | Date of Issue | 1997/6/9 | | Date of Implementation | 1997/12/1 | | Older Standard (superseded by this standard) | GB 5453-1985 | | Quoted Standard | GB 6031-1985; GB 6529-1986; GB/T 8170-1987 | | Adopted Standard | ISO 9237-1995, MOD | | Drafting Organization | Shanghai Textile Research Institute | | Administrative Organization | China Textile Institute of Standardization | | Proposing organization | China Textile Association | | Issuing agency(ies) | State Bureau of Technical Supervision | | Summary | This standard specifies the method for determining the permeability of the fabric. This standard applies to a variety of textile fabrics, including industrial fabrics, non-woven fabric and other breathable textile products. |
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