GB/T 25097-2010
Active
GB/T 21221-2022
Active
National standards
GB/T 21221-2022 Insulating liquids—Specifications for unused liquids based on synthetic aromatic hydrocarbons
GB/T 21221-2022 Insulating liquids—Specifications for unused liquids based on synthetic aromatic hydrocarbons
Basic Information
Standard Code:
GB/T 21221-2022
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Electrician's insulating materials and their products
ICS Name:
Other insulating fluids
Publish Date:
2022-07-11
Implement Date:
2023-02-01
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国绝缘材料标准化技术委员会(SAC/TC 51)
Pages:
15 pages
Scope
本文件规定了用作电气设备绝缘液体介质的未使用过的几种合成芳烃绝缘液体的标志和一般交货要求、取样、技术规范和试验方法。
本文件适用于用作电气设备绝缘液体介质的未使用过的烷基苯、二苯基乙烷、烷基萘和甲基多芳基甲烷。
Development Information
Drafting Units:
桂林电力电容器有限责任公司、常州辰盛绝缘新材料有限公司、江西天一特种油有限公司、锦州永嘉化工有限公司、国网浙江省电力公司电力科学研究院、林赛盟检测技术有限公司、广西南宝特电气制造有限公司、桂林电器科学研究院有限公司、广东电网有限责任公司电力科学研究院、苏州贯龙电磁线有限公司、西安晶中生科技有限公司、义乌市捷诚模具有限公司、陕西国宏福检测技术有限公司、广东铭凯科技有限公司、西安凯金哲检测有限公司
Drafting Persons:
陈松、徐建华、鲍贻清、陈明、邵先军、赵婕、李卫、孙宇、谢崎、唐仕平、罗传勇、钱艺华、付强、顾新梅、向华明、潘勇先、林宏松、万青兰、吴才春
Replace the following standards
Referenced Standards
GB/T 10065-2007 Gassing of insulating liquids under electrical stress and ionization
GB/T 18612-2011 Determination of organic chloride content in crude oil
SH/T 0205
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/T 3535-1983 Petroleum oils—Determination of pour point
GB/T 3535-2006 Petroleum products—Determination of pour point
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 25961-2010 Standard test method for corrosive sulfur in electrical insulating oils
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
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
GB/T 3535-2025 Determination of pour point for petroleum products
Adopt standards
IEC 60867:1993
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