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Low Viscosity Epoxy Curing Agent for Void-Free MV CT & Potential Transformer Potting

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June 04, 2025
Category Connection: Casting Epoxy Resin
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Tags:
#High quality outdoor epoxy resin #Electrical Casting Epoxy Resin #Indoor Casting Epoxy Resin
Brief: Discover the LE-8516L/LH-8516L ultra-low viscosity epoxy system designed for void-free potting of MV current and voltage transformers. This cycloaliphatic resin and anhydride hardener combination ensures flawless encapsulation, partial discharge <5pC, and compliance with IEEE C57.13 standards. Perfect for precision CT/PT encapsulation and high-voltage applications.
Related Product Features:
  • Ultra-low viscosity (<500cPs mixed) for deep penetration into micron-scale gaps.
  • Ensures void-free encapsulation with <0.1% microvoids to prevent electrical treeing.
  • High electrical integrity: volume resistivity >1E15 Ω*cm and DF <0.01 @50Hz.
  • Excellent thermal management with conductivity >0.5 W/mK and Tg >110°C.
  • 5X deeper penetration compared to standard epoxies for superior performance.
  • Compatible with vacuum gravity casting and automated potting systems.
  • Maintains 0.2% metering accuracy in CTs/PTs and withstands 50kA/3s mechanical stress.
  • UV/environment-proof cycloaliphatic chemistry resists yellowing for long-term stability.
FAQS:
  • What makes the LE-8516L/LH-8516L epoxy system ideal for MV transformer potting?
    Its ultra-low viscosity (<500cPs mixed) ensures deep penetration into densely wound coils, eliminating voids and maintaining partial discharge <5pC, crucial for MV transformer reliability.
  • How does this epoxy system enhance electrical integrity in transformers?
    The system offers volume resistivity >1E15 Ω*cm and dissipation factor <0.01 @50Hz, ensuring superior dielectric performance and compliance with IEEE C57.13 standards.
  • What are the thermal properties of the LE-8516L/LH-8516L epoxy system?
    It features thermal conductivity >0.5 W/mK and a glass transition temperature (Tg) >110°C, providing excellent thermal management for high-voltage applications.
  • Is this epoxy system compatible with existing manufacturing setups?
    Yes, it works seamlessly with vacuum gravity casting and automated potting systems, ensuring consistent results for high-volume production.
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