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GB/T 33837-2017

Chinese Standard: 'GB/T 33837-2017'
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Detail Information of GB/T 33837-2017; GB/T33837-2017
Description (Translated English): Coated glass fiber products -- Determination of the tension-tension fatigue properties
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Q36
Classification of International Standard: 59.100.10
Word Count Estimation: 4,432
Date of Issue: 2017-05-31
Date of Implementation: 2018-04-01
Quoted Standard: GB/T 7689.5
Drafting Organization: Nanjing Glass Fiber Research and Design Institute Co., Ltd., Boulder Group Co., Ltd., National Glass Fiber Product Quality Supervision and Inspection Center
Administrative Organization: National Standard Committee on Glass Fiber Standardization (SAC/TC 245)
Proposing organization: China Building Materials Federation
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, China National Standardization Administration Committee
Summary: This standard specifies the determination of tensile properties of glass fiber coated products. This standard applies to glass fiber cloth as the substrate coated with polyvinyl chloride, polyurethane, fluorine resin, chloroprene rubber or chlorosulfonated polyethylene rubber and other products.

GB/T 33837-2017
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 59.100.10
Q 36
Coated Glass Fiber Products – Determination
of the Tension-Tension Fatigue Properties
玻璃纤维涂覆制品 拉-拉疲劳性能的测定
ISSUED ON. MAY 31, 2017
IMPLEMENTED ON. APRIL 1, 2018
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration of PRC.
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Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative References ... 4
3 Principle ... 4
4 Apparatus ... 4
5 Specimen ... 5
6 Operation ... 5
7 Result Expression ... 5
8 Test Report ... 6
Foreword
This Standard was drafted as per the rules specified in GB/T 1.1-2009.
This Standard was proposed by China Building Material Federation.
This Standard shall be under the jurisdiction of National Technical Committee for
Standardization of Glass Fiber (SAC/TC 245).
Drafting organizations of this Standard. Nanjing Fiberglass Research & Design
Institute Co., Ltd., Jushi Group Co., Ltd., and China National Fiberglass Product
Quality Supervision & Testing Center.
Chief drafting staffs of this Standard. Xu Qi, Hao Zhengtao, Fang Yunwei, Huang Ying,
Wang Yumei, Ma Dan, and Li Junguang.
Coated Glass Fiber Products – Determination
of the Tension-Tension Fatigue Properties
1 Scope
This Standard specifies the method for determination of the tension-tension fatigue
properties of the coated glass fiber products.
This Standard is applicable to the products with glass fiber as the base materials, and
coated with polyvinyl chloride, polyurethane, fluorine resin, chloroprene rubber or
chlorosulfonated polyethylene rubber.
2 Normative References
The following document is essential to the application of this document. For the dated
documents, only the versions with the dates indicated are applicable to this document;
for the undated documents, only the latest version (including all the amendments) are
applicable to this document.
GB/T 7689.5 Reinforcements – Test Method for Woven Fabrics – Part 5.
Determination of Tensile Breaking Force and Elongation at Break for Glass Fiber
3 Principle
Cut the coated glass fiber product into strip-shaped specimen along the warp or weft;
perform certain cycle of cyclic tensile test; then determine the tensile properties of the
specimen; and measure its residual tensile breaking strength and elongation at break.
This Standard specifies two different types of specimens. Specimen A is the products
with glass fiber as the base material, and coated with polytetrafluoroethylene,
perfluoroalkoxy copolymer, or fluorinated ethylene propylene copolymer; Specimen B
is the products with glass fiber as the base material, and coated with polyvinyl chloride,
polyurethane, fluorine resin (excluding polytetrafluoroethylene, perfluoroalkoxy
copolymer, and fluorinated ethylene propylene copolymer), chloroprene rubber, or
chlorosulfonated polyethylene rubber.
4 Apparatus
4.1 Fatigue tester, its load range, waveform, frequency and cycle times shall meet

GB/T 33837-2017
Coated glass fiber products - Determination of the tension-tension fatigue properties
ICS 59.100.10
Q36
National Standards of People's Republic of China
Glass fiber coated products
Pull - pull fatigue properties of the determination
Coatedglassfiberproducts-Determinationofthe
tension-tensionfatigueproperties
2017-05-31 released
2018-04-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard proposed by the China Building Materials Federation.
This standard by the National Standardization Technical Committee glass fiber (SAC/TC245) centralized.
This standard was drafted. Nanjing Fiberglass Research and Design Institute Co., Ltd., Stone Group Co., Ltd., the national fiberglass product quality
Supervision and Inspection Center.
The main drafters of this standard. Xu Qi, Hao Zhengtao, Fang Yunwei, Huang Ying, Wang Yumei, Madan, Li Chunguang.
Glass fiber coated products
Pull - pull fatigue properties of the determination
1 Scope
This standard specifies the pull-pull fatigue properties of glass fiber coated products.
This standard applies to glass fiber cloth as a substrate coated with polyvinyl chloride, polyurethane, fluorine resin, neoprene or chlorosulfonated Polyethylene
Olefin rubber and other products.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 7689.5 Reinforcements - Test methods for woven fabrics - Part 5. Tensile strength and elongation at break of glass fibers
Determination
3 principle
The glass fiber coated product is cut along the warp or weft into a strip-shaped sample, a certain cycle of cyclic tensile test, and then the test
Tensile properties like the test, measured the residual tensile strength and elongation at break. This standard specifies two different types of samples.
Class A sample is based on glass fiber cloth as a substrate coated with polytetrafluoroethylene, perfluoroalkoxy copolymer or fluorinated ethylene propylene copolymer from
Of the products; Class B sample to glass fiber cloth as a substrate coated with polyvinyl chloride, polyurethane, fluorine-containing resin (excluding PTFE, perfluoro
Alkoxy copolymer and fluorinated ethylene propylene copolymer), chloroprene rubber or chlorosulfonated polyethylene rubber and the like.
4 instruments
4.1 Fatigue testing machine, load range, waveform, frequency and cycle times should be able to meet the test requirements and calibration, the static load indication error
Should be ± 1% range, dynamic load indication error should be within ± 2%.
4.2 Tensile testing machine, in line with the provisions of GB/T 7689.5.
4.3 Cutting tools, such as knives, scissors or cutting wheels.
4.4 steel ruler, accuracy of 0.5mm.
5 sample
According to GB/T 7689.5, along the direction of the warp and weft samples were cut into about 50mm wide sample, to avoid cutting the load side loading
To the yarn. The sample length should be long enough for the upper and lower clamps to step up the sample and ensure that the effective length between the clamps is.200 mm. test
The same number of warp and weft directions at least 5 each. Samples before and after fatigue loading were taken from the same warp or weft sample.
6 operation
6.1 according to GB/T 7689.5 were measured by the sample longitudinal and latitudinal static tensile strength and elongation at break.
6.2 The sample is loaded to the fatigue testing machine, so that the longitudinal axis of the sample through the middle of the front edge of the two clamps, clamping fixture to ensure that the sample is not in the clip
With internal slip.
6.3 Pull and pull the fatigue test on the warp and weft of the sample respectively. The maximum stress of the test is the static tensile strength at the corresponding direction
Of the minimum stress value of 2N/mm, tensile load loading frequency of 1Hz, the loading waveform is a sine wave. Class A sample cycle times
The number of 3 × 105 times, Class B sample cycle times of 5 × 103 times. After fatigue loading, according to GB/T 7689.5 Determination of the remaining sample
Tensile strength and elongation at break. If the specimen breaks during fatigue loading, record the number of cycles at break. Warp and weft at least
Guarantee 5 valid samples.
7 results indicated
Tensile strength before and after loading the specimen through the warp and weft unit width (mm) Tensile strength in N/mm, elongation at break with the ......
Related standard:   GB/T 33831-2017  GB/T 33832-2017
   
 
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