GB/T 3923.1-2013 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 3923.1-2013 | English | 85 |
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Textiles -- Tensile properties of fabrics -- Part 1: Determination of maximum force and elongation at maximum force using the strip method
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| GB/T 3923.1-1997 | English | 359 |
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Textiles--Tensile properties of fabrics--Part 1: Determination of breaking force and elongation at breaking force--Strip method
| Obsolete |
| GB/T 3923-1983 | English | RFQ |
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Woven fabrics--Determination of breaking strength and elongation (strip method)
| Obsolete |
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GB/T 3923.1-2013: Textiles -- Tensile properties of fabrics -- Part 1: Determination of maximum force and elongation at maximum force using the strip method
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT3923.1-2013
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 59.080.30
W 04
Replacing GB/T 3923.1-1997
Textiles - Tensile Properties of Fabrics - Part 1.
Determination of Maximum Force and Elongation at
Maximum Force Using the Strip Method
(ISO 13934-1.1999, MOD)
Issued on. OCTOBER 10, 2013
Implemented on. MAY 1, 2014
Issued by. General Administration for Quality Supervision, Inspection
and Quarantine (AQSIQ);
Standardization Administration (SAC) of the People’s
Republic of China.
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative References... 5
3 Terms and Definitions... 5
4 Principle... 8
5 Sampling... 8
6 Apparatus... 8
7 Atmosphere for Conditioning and Testing... 9
8 Preparation of Test Specimen... 9
9 Procedure... 11
10 Calculation and Expression of Results... 13
11 Test Report... 16
Appendix A... 18
Appendix B... 19
Foreword
GB/T 3923 consists of the following parts, under the general title “Textiles - Tensile
properties of fabrics”.
— Part 1.Determination of maximum force and elongation at maximum force using
the strip method;
— Part 2.Determination of maximum force using the grab method.
This Part is Part 1 of GB/T 3923.
This Part was drafted according to the rules specified in GB/T 1.1-2009.
This Part replaces GB/T 3923.1-1997 "Textiles - Tensile properties of fabrics - Part 1.
Determination of breaking force and elongation at breaking force - Strip method".
Compared with GB/T 3923.1-1997, the main technical changes in this Part are as
follows.
— The provision of "The method is restricted to the use of constant rate of extension
(CRE) testing machines" in Chapter 1 was deleted;
— In Chapter 2 "Normative References", GB/T 8170 was deleted; GB/T 6682, GB/T
16825.1 and GB/T 19022 were added;
— 3.2, 3.3 and 3.14 of the original standard were deleted; the notes of 3.3 and 3.5
were added;
— Add the note of 6.1;
— The provision of laboratory sampling (8.1) was integrated into Chapter 5;
— Add the column of "rate of elongation" in Table 1;
— The requirements of "round the results for values" in 10.1 was modified; and add
"if required " in 10.3 and 10.4.
This Part was redrafted based on ISO 13934-1.1999 "Textiles - Tensile properties of
fabrics - Part 1.Determination of maximum force and elongation at maximum force
using the strip method" (English edition).
The main differences between this Part and ISO 13934-1.1999 are as follows.
— Foreword, introduction and bibliography of the international standard were
deleted;
— Chapter 1 "Scope" was modified;
— The international standards and European Union standards specified in
Normative References are replaced by corresponding national standards of
China;
— The note of 3.3 was modified;
— Subclauses of 6.1 was replaced by inclusion of items;
— The hanging paragraph(es) of 9.3 and 9.4 were changed into 9.3.1 and 9.4.1;
the series number of subsequent subclauses were increased accordingly;
— Add the notes of 9.3.1 and 9.3.3;
— Chapter 10 was divided into 4 subclauses; add the note of 10.1 and equations
(1) to (5).
This Part was proposed by the China National Textile and Apparel Council.
This Part shall be under the jurisdiction of Subcommittee on Basic Standard of the
National Technical Committee 209 on Textiles of Standardization Administration of
China (SAC/TC 209/SC 1).
Drafting organizations of this Part. CTS (Beijing) Textile Testing & Certification Services
and National Textile Quality Supervision Testing Center.
Chief drafting staffs of this Part. Liu Ming, Zheng Yuying, Wang Ying and Li Yafeng.
The previous editions replaced by this Standard are as follows.
— GB/T 3923-1983;
— GB/T 3923.1-1997.
Textiles - Tensile Properties of Fabrics - Part 1.
Determination of Maximum Force and Elongation at
Maximum Force Using the Strip Method
1 Scope
This Part of GB/T 3923 specifies a procedure to determine the maximum force and
elongation at maximum force of textile fabrics using a strip method.
2 Normative References
The following referenced documents are indispensable for the application of this
document. For dated references, only the edition cited applies. For undated references,
the latest edition of the referenced document (including any amendments) applies.
3 Terms and Definitions
For the purposes of this document, the following terms and definitions apply.
Length of a test specimen under specified pretension between the two effective
clamping points at the beginning of certain tests (see 3.3).
4 Principle
A fabric test specimen of specified dimensions is extended at a constant rate until it
ruptures. The maximum force and the elongation at maximum force and, if required,
the force at rupture and the elongation at rupture are recorded.
5 Sampling
Select samples either in accordance with the procedure laid down in the material
specification for the fabric, or as agreed between the interested parties.
6 Apparatus
Metrological confirmation system of the tensile-testing machine shall be in accordance
with GB/T 19022.The constant-rate-of-extension (CRE) machine shall have the
general characteristics as follows.
7 Atmosphere for Conditioning and Testing
The atmospheres for preconditioning, conditioning and testing shall be as specified in
GB/T 6529.
8 Preparation of Test Specimen
For woven fabrics, each test specimen shall be cut with its length parallel to the warp
or the weft of the fabric and shall be sufficiently wide to allow the necessary fringes.
9 Procedure
Set the rate of extension or elongation of the tensile-testing machine as a function of
the elongation at maximum force of the fabric as specified in Table 1.
Perform the test according 9.1 to 9.4 immediately after removal of a test specimen
from the liquid (see 8.4.2) and briefly placing it on blotting paper to remove excess
water. For wet tests, apply half of the pretension specified in 9.3.2.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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