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SJ 20894-2003Packing material selection and application for electronic equipment components (English PDF)

电子设备零部件包封灌封材料选择与使用

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Mandatory

Issue date

December 15, 2003

Implementation date

March 1, 2004

Scope

SJ 20894-2003 is the English-translated version of 电子设备零部件包封灌封材料选择与使用.

SJ 20894-2003 is the Chinese standard "Packing material selection and application for electronic equipment components". This standard specifies the potting material encapsulating electronic equipment components selection, use requirements.

This standard applies to electronic devices to improve the protective performance of electronic equipment components reinforcement, sealing, insulation. Issued on 2003-12-15, in force from 2004-03-01.

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Document preview — SJ 20894-2003

National Standard of the People's Republic of China

ICS: 31.030
Classification: L90

[Preview only]
1 Scope
2 Normative References
2.1 Terms
3 Terms and Definitions
4 Overview
4.1 General requirements
5 Technical Requirements
6 Calibration conditions
6.1 Environmental conditions
6.2 Measurement standards and other equipment
7 Calibration items and calibration methods
7.1 Calibration Items
7.2 Calibration method
8 Expression of calibration results
9 Recalibration interval

1 Foreword

SJ 20894-2003 was issued by Ministry of Industry and Information Technology on 15 December 2003 and has been in force since 1 March 2004.

The SJ prefix, without a suffix, marks a mandatory standard: within its scope, compliance is required.

The document runs to 8 pages in English translation.

2 Scope Preview

This standard specifies the potting material encapsulating electronic equipment components selection, use requirements. This standard applies to electronic devices to improve the protective performance of electronic equipment components reinforcement, sealing, insulation.

SJ 20894-2003 falls under ICS 31.030, in the field of electronics.

This catalogue holds 133 other SJ standards in that field.

In this catalogue, SJ standards carry edition years from 1965 to 2021.

3 About this standard

Sector: Electronics Industry Standard

Issued by: Ministry of Industry and Information Technology

English translation: about 8 pages (approximate)

Chinese original: about 8,872 characters

4 Related standards

Standards on related subjects:

GB/T 28159-2025 — Electronic grade phosphoric acid

SJ/T 11795-2022 — Test method for determining magnetic impurity content of electrode materials in lithium ion batteries

GB/T 29848-2018 — Ethylene-vinyl acetate copolymer (EVA) film for photovoltaic modules

SJ/T 11995-2025 — Test method for metal impurity content in electrolyte used in lithium-ion battery

SJ/T 11976-2025 — Neutron transmutation doped float zone silicon single crystal for Insulate GateBipolar Transistors (IGBT)

5 Classification and status

International classification (ICS): 31.030

Chinese Standard Classification (CCS): L 90

Prefix SJ: mandatory standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 8 pages — is available in the English PDF.

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