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JC/T 814-2024Test methods for fused-cast synthetic mica (English PDF)

熔铸合成云母试验方法

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Recommended

Issue date

October 24, 2024

Implementation date

May 1, 2025

Scope

JC/T 814-2024 is the English-translated version of 熔铸合成云母试验方法.

JC/T 814-2024 — This standard specifies the measurement methods of mechanical strength, heat resistance, power frequency breakdown strength and resistance of fused-cast synthetic mica.

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Document preview — JC/T 814-2024

National Standard of the People's Republic of China

ICS: 71.040.50
Classification: Q 65
Replacing: JC/T 814-1985

Issued by: Ministry of Industry and Information Technology

1 Foreword

JC/T 814-2024 was issued by Ministry of Industry and Information Technology on 24 October 2024 and has been in force since 1 May 2025.

It replaces the earlier edition JC/T 814-1985.

2 Scope

This standard specifies the measurement methods of mechanical strength, heat resistance, power frequency breakdown strength and resistance of fused-cast synthetic mica. This standard applies to the test methods of fused-cast synthetic mica used in high-temperature insulation materials.

3 About this standard

Issued by: Ministry of Industry and Information Technology

English translation: about 10 pages

Chinese original: about 15,124 characters

Supersedes the earlier edition JC/T 814-1985.

4 Classification and status

International classification (ICS): 71.040.50

Chinese Standard Classification (CCS): Q 65

Prefix JC/T: recommended standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 10 pages — is available in the English PDF.

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