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Epoxy resin and curing agent premixing test

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November 15, 2023
Category Connection: Transformer Epoxy Resin
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Tags:
#High Voltage Transformer Epoxy Resin #Clear Transformer Epoxy Resin #Liquid Transformer Epoxy Resin
Brief: Discover the premixing test of LE-8516 epoxy resin and LH-8516 hardener, designed for electrical components and transformers. This video showcases the properties, processing parameters, and applications of this high-performance epoxy system.
Related Product Features:
  • LE-8516 is a modified saturated epoxy resin system with excellent electrical insulation properties.
  • LH-8516 is a weather-resistant acid anhydride hardener, ensuring durability in various conditions.
  • The system offers high thermal conductivity (0.8-0.9W/mk) and thermal stability (>320°C).
  • Features low curing shrinkage (0.8-1.0%) and high mechanical strength (tensile: 60-80N/mm2).
  • Suitable for automatic pressure gelation and vacuum casting processes.
  • Complies with ROHS and REACH safety regulations, certified by ISO9001 and ISO14001.
  • Ideal for high-voltage electrical insulation applications globally.
  • Shelf life of 12 months when stored in sealed containers at 6-35°C.
FAQS:
  • What are the key properties of LE-8516 epoxy resin?
    LE-8516 is a transparent, light yellow, viscous liquid with an epoxy value of 4.5-5.0 Eq/kg, viscosity of 500-1000 mPa.s at 25°C, and a flash point of about 135°C.
  • How should the epoxy resin and hardener be stored?
    Store in tightly sealed, dry original containers at 6-35°C. The shelf life is 12 months, and partial emptied containers should be closed tightly after use.
  • What are the processing parameters for vacuum casting?
    For vacuum casting, mix the epoxy and hardener at 50-60°C for 1-1.5 hours, use a vacuum casting pot, and cure at 105°C for 4-6 hours followed by post-cure at 130-140°C for 6-10 hours.
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