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For outdoor electrical insulation

2025-09-11

Xrun began selling high-voltage electrical epoxy resin in 1999. As one of China's pioneering manufacturers of R&D and supplying high-voltage epoxy resin materials in bulk, the company has undertaken the localization development of power equipment for voltage levels such as the national 500kV extra-high voltage (EHV) and 1000kV ultra-high voltage (UHV). Xrun's high-voltage electrical epoxy resin has been widely adopted in numerous large-scale domestic and international power projects, including: GIS products at the Three Gorges Left Bank Power
Station; GIS products at Nanyang Station, which is China's first 1100kV UHV project; Saturable reactors at the ±80okV UHV Jinsha River Converter Station and the 750kV Vasali project in India. Having undergone long-term validation under various harsh operating conditions, the product is safe and reliable. Xrun's high-voltage epoxy resin materials have grown in tandem with China's power industry—from its inception, development, and expansion to its current leadership position globally.

Solid Epoxy Resin System for High-Voltage Electrical Insulation

Formula tg(℃) Application Process
HE-411/HH-411/Alumina 105-120 Vacuum Casting Process
HE-412/HH-106/Alumina 105-120 Vacuum Casting Process
HE-412L/HH-4902/Alumina 115-130 Vacuum Casting Process
HE-4112/HH-4112/Alumina 115-130 Vacuum Casting Process
HE-4861/HH-4861/Alumina 130-145 Vacuum Casting Process
HE-2150AVB/Alumina 150-165 Vacuum Casting Process

Liquid Epoxy Resin System for High-Voltage Electrical Insulation

Formula tg(℃) Application Process
HE-428/HH-428/Alumina 110-125 Vacuum Casting Process, APG Process
HE-4815/HH-4815/Alumina 105-120 Vacuum Casting Process, APG Process
HE-428T/HH-429T/Alumina 100-115 Vacuum Casting Process, APG Process
HW-428A/B(Pre-added fillers) 110-125 Vacuum Casting Process, APG Process
HW-4285A/B(Pre-added fillers) 130-145 Vacuum Casting Process, APG Process
HW-4150A/B(Pre-added fillers) 150-165 Vacuum Casting Process, APG Process