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

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

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

IEC 60836:2015