GB/T 35575-2017General technical requirements for electromagnetic shielding film (English PDF)
电磁屏蔽薄膜通用技术要求
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 29, 2017
Implementation date
July 1, 2018
Scope
GB/T 35575-2017 is the English-translated version of 电磁屏蔽薄膜通用技术要求.
GB/T 35575-2017 is the Chinese standard "General technical requirements for electromagnetic shielding film". Its scope clause reads: 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. Its clauses include terms and definitions; technical requirements.
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Document preview — GB/T 35575-2017
National Standard of the People's Republic of China
- ICS
- 83.140.10
- Classification
- N 05
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 technical requirements
- 4.1 Shielding Effectiveness (SE)
- 4.2 square resistance
- 4.3 pressure contact resistance
- 4.4 peel strength
- 4.5 Operating temperature requirements
- 4.6 heat shrinkage rate
- 4.7 Environmental requirements
- 4.8 Appearance Quality
- 5 test methods
- 5.1 Shielding test
- 5.2 square resistance test
- 5.3 pressure contact resistance test
- 5.4 peel strength test
- 5.5 heat shrinkage test
- 5.6 Environmental Testing
- 5.7 inspection of appearance
- 6 inspection rules
- 6.1 test classification
- 6.2 type test
- 6.2.1 type test content
- 6.2.2 type test timing
- 6.2.3 issued a type test report
- 6.3 factory inspection
- 6.3.1 factory inspection items
- 6.3.2 sampling method
- 6.3.3 Pass criterion
- 7 logo, packaging, transportation and storage
- 7.1 logo
- 7.2 Packaging
- 7.3 Transportation
- 7.4 Storage
- Appendix A (Normative) Compression contact resistance test method
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 (ohm).
3.2 Peel strength
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.
......
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
Similar standards
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