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GB/T 35575-2017 English PDF

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GB/T 35575-2017: General technical requirements for electromagnetic shielding film
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Basic data

Standard ID GB/T 35575-2017 (GB/T35575-2017)
Description (Translated English) General technical requirements for electromagnetic shielding film
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard L90
Classification of International Standard 83.140.10
Word Count Estimation 14,111
Date of Issue 2017-12-29
Date of Implementation 2018-07-01
Regulation (derived from) National Standards Bulletin 2017 No. 32
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

GB/T 35575-2017: General technical requirements for electromagnetic shielding film

---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.
General technical requirements for electromagnetic shielding film ICS 83.140.10 L90 National Standards of People's Republic of China Electromagnetic shielding film general technical requirements 2017-12-29 Posted 2018-07-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Foreword Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1

4 technical requirements

4.1 Shielding Effectiveness (SE) 1 4.2 square resistance 2 4.3 pressure contact resistance 2 4.4 peel strength 2 4.5 Operating temperature requirements 2 4.6 heat shrinkage rate 2 4.7 Environmental requirements 2 4.8 Appearance Quality 3 5 test methods 3 5.1 Shielding test 3 5.2 square resistance test 3 5.3 pressure contact resistance test 3 5.4 peel strength test 3 5.5 heat shrinkage test 3 5.6 Environmental Testing 3 5.7 inspection of appearance 3 6 inspection rules 3 6.1 test classification 3 6.2 type test 3 6.2.1 type test content 3 6.2.2 type test timing 3 6.2.3 issued a type test report 4 6.3 factory inspection 4 6.3.1 factory inspection items 4 6.3.2 sampling method 4 6.3.3 Pass criterion 4 7 logo, packaging, transportation and storage 4 7.1 logo 4 7.2 Packaging 5 7.3 Transportation 5 7.4 Storage 5 Appendix A (Normative) Compression contact resistance test method 6 Reference 10

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard proposed by the China Electrical Equipment Industry Association. This standard by the National Electromagnetic shielding materials Standardization Technical Committee (SAC/TC323) centralized. This standard was drafted unit. Shanghai Institute of Measurement and Testing Technology, Suzhou Chengbang Dali Materials Technology Co., Ltd., China University of Metrology, days Connaught Optoelectronics Materials Co., Ltd., Anhui Aerospace Phantom Radiation Technology Co., Ltd., Kunshan Zhongdi New Material Technology Co., Ltd., on Hai Ban Yuan New Material Technology Co., Ltd., Baoding Lucky New Materials Co., Ltd., An Fang Gaoke electromagnetic safety technology (Beijing) Limited the company. The main drafters of this standard. Chen Chao Chan, Sang Yu, Yan Yong, Cai Qing, Lu Fumin, Wang Jun, Xu Shiqing, Zhu Yan Yan, Pan Zhijun, Liu Weide, Ke Wei, Ji Qingjian, Liu Bin, Lai Lei, Wang Feng, left Jiansheng, Miu Miu, Zhu Jiangang, Lu Jin. Electromagnetic shielding film general technical requirements

1 Scope

This standard specifies the terms and definitions electromagnetic shielding film, technical requirements, test methods, inspection rules and signs, packaging, transportation and Storage. This standard applies to polymer film as the main substrate, after a certain treatment, with conductivity, electromagnetic shielding effectiveness of non-optical special Electromagnetic shielding film.

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 191 Packaging - Pictorial signs Films for electrical insulation - Part 2. Test methods GB/T 26125 electronic and electrical products six kinds of restricted substances detection methods GB/T 26667 electromagnetic shielding materials terminology Measurement method of shielding effectiveness of planar electromagnetic shielding materials GB/T 30142-2013 HG/T 4605-2014 transparent electromagnetic shielding film EN14582 Waste characteristics Description Halogen and sulfur content Oxygen gas combustion in closed system and method of determination (Characterization of wet-Halogen andsulfur content-Oxygen combustion in closed systems and determinationmethods IPC-TM 650 Test Methods Manual (TestMethodsManual)

3 Terms and definitions

GB/T 26667 defined and the following terms and definitions apply to this document. 3.1 Crimp contactresistance Electromagnetic shielding film covering the test circuit of the specified size to ensure that the electromagnetic shielding film conductive layer and the test circuit copper foil surface contact pressure, Measured by the resistance between the lines. Note. The unit is ohms (Ω). 3.2 Peel strength peelstrength The unit width of the electromagnetic shielding film stripping at a certain angle required to reflect the strength of the bond material. Note. The unit is cattle per meter (N/m).

4 technical requirements

4.1 Shielding Effectiveness (SE) Electromagnetic shielding film shielding effectiveness rating should meet the requirements of Table 1.

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