Cycloaliphatic Epoxy Resins

Our Araldite® line of low viscosity, di-functional cycloaliphatic epoxy resins are designed for epoxy formulators needing high-temperature resistance, good electrical insulation performance and UV resistance.


Typical Applications

Huntsman’s cycloaliphatic epoxy resins are designed for use in indoor and outdoor applications such as medium- to high-voltage electrical insulation. Suitable processes include:

  • Casting
  • Filament winding
  • Automatic Pressure Gelation (APG)
  • Potting
  • Pultrusion
  • Vacuum pressure impregnation

Product Viscosity at 25ºC
Epoxide Eq.
[EEW, g/eq]
Product Description
Araldite CY 179-1 100 – 600 130 – 143 A cyclic di-epoxy carboxylate, low viscosity liquid epoxy. High temperature outdoor electrical and casting applications. Also suitable for filament winding applications. Long working life, high Tg, brittle.
Araldite CY 184 700 – 1,000 144 – 175 Low-viscosity cycloaliphatic epoxy recommended for use in the manufacture of medium and high-voltage electrical insulating components.
Araldite CY 5622 3,000 – 5,000 179 – 187 Hydrophobic liquid modified cycloaliphatic epoxy resin (diglycidylester). It is designed for use in outdoor medium and high voltage applications that must perform under humid and severe climatic conditions such as apparatus components, pin/post insulators, bushings, instrument transformers and sensors.
Araldite CY 9729 300 – 500 181 – 193 Low viscosity cycloaliphatic epoxy recommended for use in the manufacturing of medium and high voltage electrical insulating components. Indoor and outdoor applications.

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