GB/T 21218-2023 Active National standards

GB/T 21218-2023 Unused silicone insulating liquids for electrotechnical purposes

Publish Date: 2023-11-27 Implement Date: 2024-06-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 21218-2023

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Electrician's insulating materials and their products

ICS Name: Insulating oil

Publish Date: 2023-11-27

Implement Date: 2024-06-01

Pages: 13 pages

Scope

This document specifies the performance, general delivery requirements, and marking of unused silicone insulating fluids for electrical equipment, as well as their storage and maintenance, sampling, and individual material specifications. It also describes the performance test methods.
This document is applicable to the design, production, and inspection of unused silicone insulating fluids used in electrical equipment such as transformers, cable accessories, capacitors, and electromagnetic appliances.
Note: The maintenance of used silicone insulating fluids in electrical equipment is described in IEC 60944.

Development Information

Word Count: 27 Thousand words Pages: 13 pages

Replace the following standards

GB/T 21218-2007 Specifications for unused silicone insulating liquids for electrotechnical purposes

Referenced Standards

SH/T 0205 IEC 60944 GB/T 261-1983 Petroleum products—Determination of flash point—Closed cup method GB/T 261-2008 Determination of flash point—Pensky-Martens closed cup method GB/T 261-2021 Determination of flash point—Pensky-Martens closed cup method GB/T 507-2002 Insulating liquids—Determination of the breakdown voltage at power frequency GB/T 1884-2000 Crude petroleum and liquid petroleum products—Laboratory determination of density—Hydrometer method GB 2536-1990 Transformer oils GB 2536-2011 Fluids for electrotechnical applications—Unused mineral insulating oils for transformers and switchgear GB/T 3143-1982 Color determination method of liquid chemicals (Hazen unit—platinum-cobalt scale) GB/T 3535-1983 Petroleum oils—Determination of pour point GB/T 3535-2006 Petroleum products—Determination of pour point GB/T 3536-1983 Petroleum products—Determination of flash and fire points—Cleveland open cup method GB/T 3536-2008 Petroleum products—Determination of flash and fire points—Cleveland open cup method GB/T 5654-1985 Measurement of relative permittivity, dielectric dissipation factor at power frequency and volume resistivity of insulating liquids GB/T 5654-2007 Insulating liquids—Measurement of relative permittivity,dielectric dissipation factor and d.c.resistivity GB/T 6324.6-1986 Organic chemical products for industrial use—Determination of content of carbonyl compounds present in small amounts—Photometric method GB/T 6324.6-2014 Test method of organic chemical products—Part 6:Determination of color for liquids—Tristimulus colorimetry GB/T 6488-1986 Test method for refractive index of chemical products GB/T 6488-2008 Liquid chemicals—Determination of refrative index at 20℃ GB/T 6488-2022 Liquid chemicals—Determination of refractive index GB/T 10065-2007 Gassing of insulating liquids under electrical stress and ionization GB/T 23770-2009 Liquid inorganic chemical products—General method for the measurement of colour GB/T 27750-2011 Classification of insulating liquids GB/T 30515-2014 Petroleum products—Transparent and opaque liquids—Determination of kinematic viscosity and calculation of dynamic viscosity GB/T 41146-2021 Method of sampling insulating liquids GB/T 41633.3-2022 Insulating liquids—Determination of acidity—Part 3:Test methods for non-mineral insulating oils SH/T 0604-2000 Crude petroleum and petroleum products--Determination of density--Oscillationg U-tube method DL/T 429.1-2017 Electricity Oil Transparency Test Method HG/T 2366-2015 Dimethylsilicone oil NB/SH/T 0870-2013 Determination of dynamic viscosity and density of petroleum products and calculation of dynamic viscosity using Stableberg viscosity meter method NB/SH/T 0886-2014 Determination of the pour point of petroleum products using automatic tilting method NB/T 42140-2017 NB/T 42140-2017 Insulation liquid: Automatic Karl Fischer titration method for determination of moisture in oil-immersed paper and paperboard DL 429.1-1991 Power system oil quality test method: Transparency determination method GB 2536-2025 Fluids for electrotechnical applications—Unused mineral insulating oils for transformers and switchgear GB/T 3535-2025 Determination of pour point for petroleum products

Adopt standards

IEC 60836:2015

Related Standards

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GB/T 15822-1995 Replaced

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Publish Date: 1995-12-14

GB/T 7252-2001 Abolished

GB/T 7252-2001 Guide to the analysis and the diagnosis of gases dissolved in transformer oil

Publish Date: 2001-11-02

GB/T 507-2002 Active

GB/T 507-2002 Insulating liquids—Determination of the breakdown voltage at power frequency

Publish Date: 2002-10-10