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GB/T 32596-2016: Electromagnetic shielding -- General specification of electromagnetic wave absorbing sheet
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 32596-2016 | English | 339 |
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Electromagnetic shielding -- General specification of electromagnetic wave absorbing sheet
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GB/T 32596-2016
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Basic data | Standard ID | GB/T 32596-2016 (GB/T32596-2016) | | Description (Translated English) | Electromagnetic shielding -- General specification of electromagnetic wave absorbing sheet | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | L90 | | Classification of International Standard | 33.03 | | Word Count Estimation | 17,111 | | Date of Issue | 2016-04-25 | | Date of Implementation | 2016-11-01 | | Regulation (derived from) | National Standard Announcement No | | 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 32596-2016: Electromagnetic shielding -- General specification of electromagnetic wave absorbing sheet
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Electromagnetic shielding - General specification of electromagnetic waves increasing sheet
ICS 33.030
L90
National Standards of People's Republic of China
General specification for electromagnetic shielding wave absorbers
2016-04-25 released
2016-11-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Management Committee released
Directory
Preface III
1 Scope 1
2 normative reference document 1
3 Terms and definitions 1
Category 4
Technical requirements 2
Test Method 3
7 Inspection rules 4
8 Packaging, marking, storage and transportation 6
Appendix A (Normative Appendix) Electromagnetic Shielding Absorbers Magnetic Permeability Test Method 7
Appendix B (normative) Electromagnetic shielding Absorbers Power loss and transmission attenuation test method 9
Reference 13
Foreword
This standard is drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed by China Electrical Equipment Industry Association.
This standard by the National Electromagnetic Shielding Material Standardization Technical Committee (SAC/TC323) centralized.
The drafting of this standard. China Ordnance Industry Group, the fifth three research institutes, Shanghai Institute of Metrology and Testing Technology, Tin Connaught photoelectric materials stocks
Co., Ltd., Beijing Radio Measurement and Testing Research Institute, Jiangsu Fu Na Electronic Technology Co., Ltd., Shenzhen Fei Rongda Technology Co., Ltd.
Division, 3M (China) Co., Ltd., Southeast University, Nanjing Bo Ping Electronic Technology Co., Ltd., An Fang Gaoke electromagnetic safety technology (Beijing) Co., Ltd.
Ltd., Kunshan City in the new materials Technology Co., Ltd., China Electronics Technology Group forty-first
graduate School.
The main drafters of this standard. Yu Mingxin, Liu Yongzhi, Lu Fumin, Cai Qing, Zhu Yanyan, Wang Youxuan, Guo Yu, Zhang Baoqin, Shen Tao, Tao Fuping,
Guo Dongpeng, Wei Wei, Zhou Zhongyuan, Li Ziqiang, Zhu Andong, Xia Yi, Liu Weide, Guo Rongbin, Zhao Rui, Zuojian Sheng, Wang Ming, Zhang Wei, Yu Wenzeng,
Chen Chaocan, Lai Lei, Sang Yu.
General specification for electromagnetic shielding wave absorbers
1 Scope
This standard specifies the terminology and definition, classification, technical requirements, test methods, inspection rules for solid-state chip absorbing materials for electromagnetic shielding.
And packaging, marking, storage and transportation requirements.
This standard applies to the frequency range of 10MHz ~ 40GHz wave absorber.
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
GB/T 191 packaging and storage icon
GB/T 2828.1-2012 Count Sampling Inspection Procedures Part 1. Batch Inspection Sampling by Reception Quality Limit (AQL)
plan
Terminology of electromagnetic shielding materials GB/T 26667-2011
3 terms and definitions
The following definitions and definitions of the following definitions and definitions apply to this document in GB/T 26667-2011.
3.1
Absorbing plate electromagneticwaveabsorbingsheet
And has an electromagnetic wave absorbing ability to absorb a sheet-like material for the purpose of the electromagnetic wave energy incident on its surface.
3.2
Reflection attenuation
Ra
Electromagnetic wave irradiation to the material surface, the reflected power and the incident power ratio, Ra can be calculated by (1).
Ra = 10lg
Pr
Pi
÷ (1)
Where.
Ra --- reflection attenuation, in decibels (dB);
Pr --- Reflected power in watts (W);
Pi --- incident power, in watts (W).
3.3
Transmission attenuation transmissionattenuation
Ta
After the electromagnetic wave is irradiated to the surface of the material, the ratio of the transmission power to the incident power, Ta can be calculated by the formula (2).
Ta = 10lg
Pt
Pi
÷ (2)
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