GB/T 32108-2015Test methods of tensile properties for dipped yarns and cords (English PDF)
浸胶线绳、纱线和帘线拉伸性能的试验方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
October 9, 2015
Implementation date
May 1, 2016
Scope
GB/T 32108-2015 is the English-translated version of 浸胶线绳、纱线和帘线拉伸性能的试验方法.
GB/T 32108-2015 is the Chinese standard "Test methods of tensile properties for dipped yarns and cords".
Its scope clause reads: This standard specifies the use made of polyester or nylon fibers dipped cord, dipped yarns and dipped cords breaking strength, elongation at break, Standard Test Method for Performance of elongation given load, constant load elongation, breaking strength coefficient of variation, elongation coefficient of variation stretch.
This standard applies to the manufacture of nylon or polyester dipped cord, dipped yarns and dipped cords tensile test performance. Other fiber materials Manufacturing dipped cord, dipped yarns and dipped cords tensile properties of reference test can be used. Its clauses include test principle; equipment and instruments.
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Document preview — GB/T 32108-2015
National Standard of the People's Republic of China
- ICS
- 83.140.99
- Classification
- G 47
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Test principle
- 4 equipment and instruments
1 Scope
This standard specifies the use made of polyester or nylon fibers dipped cord, dipped yarns and dipped cords breaking strength, elongation at break,
Standard Test Method for Performance of elongation given load, constant load elongation, breaking strength coefficient of variation, elongation coefficient of variation stretch.
This standard applies to the manufacture of nylon or polyester dipped cord, dipped yarns and dipped cords tensile test performance. Other fiber materials
Manufacturing dipped cord, dipped yarns and dipped cords tensile properties of reference test can be used.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 6529 Textiles Standard conditioning and testing atmosphere
GB/T 8170 repair value expressed about the rules and limit values and judgment
3 Test principle
Under test conditions, the dipped cord, yarn and cord samples, held in a fixed constant elongation (CRE) type tensile testing machine
On a constant tensile speed pulling force on the specimen until the specimen breaks. Read directly from the tensile testing machine or by the calculated sample off
Crack strength, elongation constant load, constant load elongation, elongation, breaking strength coefficient of variation, elongation coefficient of variation stretchability
Energy data.
4 equipment and instruments
4.1 tensile testing machine
Use constant elongation (CRE) type tensile testing machine, the test machine should be configured with an automatic recorder or automatically calculate and display the Badge
Data processing means quasi needed, and should meet the following requirements.
a) be able to record the value of breaking strength and elongation values and draw strength - elongation curve;
Test error b) strength values <=1%;
c) test error elongation value <=0.1mm;
d) error holding gauge length value <=1mm;
e) have the right tension range, so that the fracture strength of the sample in the range of 10% to 90% of its range.
4.2 tensile testing machine holder
Test should be used arc holder (dipped cord select involute type, select croissants dipped yarn and cord type), and shall meet with
The following requirements.
a) a sample sandwiched between the holding plane, and the holder can be wound in a plane or wire wrap angle trough;
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
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