GB/T 22920-2022 English PDF

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GB/T 22920-2022: Electrolytic capacitor paper
Status: Valid

GB/T 22920: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 22920-2022	269	Add to Cart	3 days	Electrolytic capacitor paper	Valid
GB/T 22920-2008	519	Add to Cart	3 days	Electrolytic capacitor paper	Obsolete

Similar standards

GB/T 22869   GB/T 20810   GB/T 24695   GB/T 22928   

Basic data

Standard ID: GB/T 22920-2022 (GB/T22920-2022)
Description (Translated English): Electrolytic capacitor paper
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y32
Word Count Estimation: 13,190
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 22920-2008: Electrolytic capacitor paper

---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.
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 ......

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Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 22920-2022 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.