GB/T 32108-2015 English PDF

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GB/T 32108-2015: Test methods of tensile properties for dipped yarns and cords
Status: Valid

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Basic data

Standard ID: GB/T 32108-2015 (GB/T32108-2015)
Description (Translated English): Test methods of tensile properties for dipped yarns and cords
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G47
Classification of International Standard: 83.140.99
Word Count Estimation: 6,681
Date of Issue: 2015-10-09
Date of Implementation: 2016-05-01
Quoted Standard: GB/T 6529; GB/T 8170
Regulation (derived from): National Standard Announcement 2015 No.31
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This Standard specifies the use made of polyester or nylon fibers dipped cord, yarns and dipped dipped cord breaking strength, breaking elongation, constant elongation load, constant load elongation, breaking strength coefficient of variation, Standard test method for performance of elongation at break 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 dipped cord, yarns and dipped cords dipped tensile properties test can refer to use.

GB/T 32108-2015: Test methods of tensile properties for dipped yarns and cords

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Test Method dipped cord, yarn and cord tensile properties) ICS 83.140.99 G47 National Standards of People's Republic of China Dipped cord, yarns and cords Standard Test Method for Tensile Properties Issued on. 2015-10-09 2016-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by China Petroleum and Chemical Industry Association. This standard by the National Standardization Technical Committee dipped rubber reinforcing materials and rubber Technical Committee (SAC/TC35 / SC13) centralized. This standard drafting of the main unit. Anhui Long Run New Material Technology Co., Ltd., Qingdao University of Science and Technology Co., Ltd. Junma Ning Bo Kai Chi Belt Co., Ltd., Dah Sing Qingdao Branch Rubber Technology Service Co., Ltd. Jinhua City-wheel Chemical Fiber Co., Qingdao New Materials Technology Industrial Park Development Co., Qingdao New Materials Technology Co., Ltd. laboratory. Drafters of this standard. Min Shen Liang, Liu Li, Hao Zhenhua, should be built Li, Chen Fu flowers, items Jun, Bing Xin. Dipped cord, yarns and cords Standard Test Method for Tensile Properties

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 \u200b\u200band 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 \u200b\u200band draw strength - elongation curve; Test error b) strength values \u200b\u200b≤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; ......

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