GB/T 41632-2022
Insulating liquids—Specifications for unused synthetic organic esters for electrical purposes (English Version)

Standard No.

GB/T 41632-2022

Language

Chinese, Available in English version

Release Date

2022

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 41632-2022

Scope

This document specifies the requirements for classification and labeling, packaging, transport and storage, performance and test methods of unused synthetic organic esters for electrical purposes. This document applies to synthetic organic esters used in transformers, switches, and other similar electrical equipment requiring the use of synthetic organic esters as insulation and heat transfer media.

GB/T 41632-2022 Referenced Document

• GB/T 10065-2007 Gassing of insulating liquids under electrical stress and ionization
• GB/T 21856-2008 Chemicals.Ready biodegradability.CO evolution test
• GB/T 2900.5-2013 Electrotechnical terminology.Electrical insulating solids,liquids and gases
• IEC 60156 Insulating liquids - Determination of the breakdown voltage at power frequency - Test method
• IEC 60247 Insulating liquids - Measurement of relative permittivity, dielectric dissipation factor (tan ) and d.c. resistivity
• IEC 60475 Method of sampling insulating liquids
• IEC 60814 Insulating liquids - Oil-impregnated paper and pressboard - Determination of water by automatic coulometric Karl Fischer titration
• IEC 61039 Classification of insulating liquids
• IEC 61620 Insulating liquids - Determination of dielectric dissipation factor by measurement of the conductance and capacitance - Test method
• IEC 62021-1 Insulating liquids - Determination of acidity - Part 1: Automatic potentiometric titration
• IEC 62021-2 Insulating liquids - Determination of acidity - Part 2 Colourimetric titration
• ISO 2592 Determination of flash and fire points — Cleveland open cup method
• ISO 2719 Determination of flash point — Pensky-Martens closed cup method — Amendment 1: Thermometers correction
• ISO 3016 Petroleum and related products from natural or synthetic sources — Determination of pour point
• ISO 3104 Petroleum products — Transparent and opaque liquids — Determination of kinematic viscosity and calculation of dynamic viscosity*， 2023-10-01 Update
• ISO 3675 Crude petroleum and liquid petroleum products — Laboratory determination of density — Hydrometer method — Amendment 1
• NB/SH/T 0811-2010 Unused hydrocarbon-based insulating liquids-Test methods for evaluating the oxidation stability

GB/T 41632-2022 history

• 2022 GB/T 41632-2022 Insulating liquids—Specifications for unused synthetic organic esters for electrical purposes