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GB/T 22920-2008 (GBT 22920-2008)

Chinese Standard: 'GB/T 22920-2008'
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GB/T 22920-2008English259 Add to Cart Days<=3 Electrolytic capacitor paper GB/T 22920-2008 Valid GB/T 22920-2008
GB/T 22920-2008Chinese15 Add to Cart <=1-day [PDF from Chinese Authority, or Standard Committee, or Publishing House]

   

BASIC DATA
Standard ID GB/T 22920-2008 (GB/T22920-2008)
Description (Translated English) Electrolytic capacitor paper
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard Y32
Classification of International Standard 85.060
Word Count Estimation 13,178
Date of Issue 2008-12-30
Date of Implementation 2009-09-01
Older Standard (superseded by this standard) GB/T 7970.4-2002
Quoted Standard GB/T 450; GB/T 451.1; GB/T 451.3; GB/T 461.1; GB/T 462; GB/T 1545-2008
Drafting Organization Zhejiang Kan Specialty Materials Co., Ltd.
Administrative Organization National Standardization Technical Committee Paper Industry
Proposing organization China Light Industry Federation
Issuing agency(ies) Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China; Standardization Administration of China
Summary This standard specifies the electrolytic capacitor paper product classification and nomenclature, technical requirements, test methods, inspection rules and signs, packaging, transport and storage. This standard applies to the electrolytic capacitor electrode and electrolyte absorption paper isolation.

GB/T 22920-2008
Electrolytic capacitor paper
ICS 85.060
Y32
National Standards of People's Republic of China
Replacing GB/T 7970.4-2002
Electrolytic capacitor paper
Posted 2008-12-30
2009-09-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard replaces GB/T 7970.4-2002 "electrolytic capacitor paper."
This standard compared with GB/T 7970.4-2002, the main changes are as follows.
--- Cancel the original standard C and WC2 series, increasing the MJ series;
--- Modify the tightness deviation;
--- Modify the number of taps per roll allowed.
Appendix A of this standard is a normative appendix.
The standard proposed by China National Light Industry Council.
This standard by the National Standardization Technical Committee of the paper industry.
This standard was drafted. Zhejiang Kan Specialty Materials Co., Ltd., China Pulp and Paper Research Institute.
The main drafters of this standard. Chen Wanping, Li generous.
This standard replaces the standards previously issued as follows.
--- GB/T 7970.4-2002.
Electrolytic capacitor paper
1 Scope
This standard specifies the electrolytic capacitor paper product classification and naming, technical requirements, test methods, inspection rules and signs, packaging, transportation and storage.
This standard applies to an electrolytic capacitor electrode and the electrolyte separator sheet adsorption.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 450 paper and cardboard to take samples and specimens to the vertical and horizontal, positive and negative determination (GB/T 450-2008, ISO 186.2002,
MOD)
Determination of GB/T 451.1 Paper and board size and skewness
GB/T 451.3 Paper and board - Determination of thickness (GB/T 451.3-2002, idt ISO 534. 1988)
Liquid level measurement GB/T 461.1 Paper and paperboard capillary absorption (Klemm method) (GB/T 461.1-2002, idt ISO 8787. 1986)
GB/T 462 paper, board and pulp - Determination of water sample (GB/T 462-2008; ISO 287. 1985, MOD;
ISO 638. 1978, MOD)
Determination of GB/T 1545-2008 paper, paperboard and pulp extract water acidity or alkalinity
Determination of GB/T 2678.2-2008 paper, paperboard and pulp water-soluble chlorides
GB/T 2828.1 Sampling procedures for inspection - Part 1. batch inspection sampling plan according to accepted quality limit (AQL) retrieval
(GB/T 2828.1-2003, ISO 2859-1.1999, IDT)
GB/T 7977-2007 paper, board and pulp - Determination of conductivity of aqueous extracts (ISO 6587.1992, MOD)
GB/T 10342 paper packaging and identification
GB/T 10739 paper, paperboard and pulp sample processing and testing standard atmospheric conditions (GB/T 10739-2002, eqv ISO 187.
1990)
GB/T 12914-2008 Paper and board - Determination of tensile strength (ISO 1924-1.1992, MOD; ISO 1924-2.1994,
MOD)
3 Product Classification and Nomenclature
3.1 electrolytic capacitor paper by paper materials and layered structures can be divided into a variety of models, see Table 1.
Table 1
Model main raw material
W1 W fiber single ply
W2 W fiber layer composite paper
WS2 W fiber and fiber layer composite sheet S
WM2 W and M fiber layer composite fiber paper
WB2 W fiber and B fiber layer composite paper
MJ2 M and J fiber layer composite fiber paper
SM2 S M fiber layer composite fiber and paper
S2 S fiber double layer paper
Related standard: GB/T 22927-2008    GB/T 22928-2008
Related PDF sample: GB/T 22927-2008    GB/T 24695-2009