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Epoxy Resin Systems for Electric Insulation of High Thermal Conductivity

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Glass transition temperature
  • 90-100℃
  • 100-110℃
  • 110-120℃
  • 120-130℃
  • 130-140℃
  • 140-150℃
  • 150-160℃
  • 160-170℃
  • 170-180℃
  • 180-190℃
Craft
  • APG
  • Vacuum casting
Application
  • Transformers
Classification
  • Epoxy insulating glue
  • --Epoxy Resin Systems for Electric Insulation of High Thermal Conductivity
  • --Polyurethane Series Insulating Adhesive
Characteristics
  • Good electromechanical properties
  • High crack resistance
  • High thermal conductivity
  • Crack-resistant
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Epoxy Resin Systems for Electric Insulation of High Thermal Conductivity

High thermal conductivity epoxy resin suffers from poor processability and a significant reduction in crack resistance due to high filling. Xrun has adopted a special filling technology to overcome the problem of high thermal conductivity epoxy resin having high filling while experiencing a decline in processability and maintaining good crack resistance.

Epoxy resin systems Tg/℃ Thermal conductivity
/W/m.K		 Characteristics Application process Applications
HW-3905A/B >110 >1.2 Good processability, high thermal conductivity, high crack resistance, excellent mechanical and electrical properties APG/vacuum casting process High-frequency transformers and related applications
HW-3906A/B >90 >1.2 Good processability, high thermal conductivity, high crack resistance, excellent mechanical and electrical properties APG/vacuum casting process High-frequency transformers and related applications
HW-3907A/B >100 >1.2 Good processability, high thermal conductivity, high crack resistance, excellent mechanical and electrical properties APG/vacuum casting process High-frequency transformers and related applications
HW-3955A/B >110 >1.5 Good processability, high thermal conductivity, high crack resistance, excellent mechanical and electrical properties APG/vacuum casting process High-frequency transformers and related applications
HW-3956A/B >90 >1.5 Good processability, high thermal conductivity, high crack resistance, excellent mechanical and electrical properties APG/vacuum casting process High-frequency transformers and related applications
HW-3957A/B >100 >1.5 Good processability, high thermal conductivity, high crack resistance, excellent mechanical and electrical properties APG/vacuum casting process High-frequency transformers and related applications
HW-3965A/B >110 >1.8 Good processability, high thermal conductivity, high crack resistance, excellent mechanical and electrical properties APG/vacuum casting process High-frequency transformers and related applications
HW-3966A/B >90 >1.8 Good processability, high thermal conductivity, high crack resistance, excellent mechanical and electrical properties APG/vacuum casting process High-frequency transformers and related applications
HW-3967A/B >100 >1.8 Good processability, high thermal conductivity, high crack resistance, excellent mechanical and electrical properties APG/vacuum casting process High-frequency transformers and related applications
HW-3985A/B >110 >2.0 Good processability, high thermal conductivity, high crack resistance, excellent mechanical and electrical properties APG/vacuum casting process High-frequency transformers and related applications
HW-3986A/B >90 >2.0 Good processability, high thermal conductivity, high crack resistance, excellent mechanical and electrical properties APG/vacuum casting process High-frequency transformers and related applications
HW-3987A/B >100 >2.0 Good processability, high thermal conductivity, high crack resistance, excellent mechanical and electrical properties APG/vacuum casting process High-frequency transformers and related applications

News Updates
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  • 2026-03-13
    November 5–7, 2025 — Ho Chi Minh City, V...

    Shanghai Xrun Resin Co., Ltd recently concluded a successful participation in the 2025 Vietnam International Power, Lighting & New Energy Exhibiti...

  • 2025-12-12
    Shanghai Xrun Resin Shines at 2025 Shang...

    From November 18 to 20, 2025, Shanghai Xrun Resin Co., Ltd successfully participated in the 2025 Shanghai International Power Exhibition held at the S...

  • 2025-10-09
    Shanghai Xrun Resin Participated in Elec...

    From September 17 to 20, 2025, the Electric & Power Indonesia 2025, one of Southeast Asia’s most influential exhibitions in the power and energy i...

  • 2025-09-11
    Our website is online

    Founded on Sept.9th,1999, Xrun is a professional company of electrical insulation materials. With the advantage of speciality, Xrun focuses on R&D...

  • 2025-09-11
    The domestic research and development pr...

    The project "Epoxy Nanocomposites for Ultra-High Voltage Electrical Equipment and Key Application Technologies" is a national key research and develop...

  • 2025-09-11
    Our company has successfully developed h...

    Our company has successfully developed a new type of high-toughness, non-toxic, and flame-retardant epoxy resin material. After third-party testing, t...

About Xrun Resin
Founded on Sept.9th,1999, Xrun is a professional company of electrical insulation materials. With the advantage of speciality, Xrun focuses on R&D of epoxy resin and polyurethane insulating glue as well as the production, serving for electrical facilities. There are two factories(located in Jiading District & Songjiang District in Shanghai, China) and an R&D Institute. With more than 100 employees, it adopts automatic production and digital management. So far, Xrun has supplied the market with more than 180 thousand tons of epoxy materials for electrical insulation. As a company in the field, Xrun has undertaken several national projects of the domestication of new epoxy materials for electrical insulation.
1999

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