Araldite CW 229/HV 229-1 Epoxy Casting System

Araldite CW 229/HW 229-1 is a high temperature, filled epoxy encapsulation system.

Araldite CW 229/HV 229-1 Epoxy Casting System

Araldite CW 229/HW 229-1 is a two-component epoxy casting system that provides high crack and thermal shock resistance. Araldite CW 229/HW 229-1 is recommended for the manufacture of electrically insulating components and for use as electrical insulation for indoor medium and high voltage applications including SF6 insulated types.

Please note: Araldite CW 229-3/HW 229-1 is the brown version.


  • Araldite CW 229/HW 229-1 can be used as an indoor electrical insulation material for post insulators, equipment parts, bushings, instrument and dry-type distribution transformers, switchgears
    For pack sizes, please see Additional Information. 


  • Good dielectric properties
  • Good processability
  • Adequate working life at processing temperatures
  • Rapid gelation at mould temperatures of 140°C and above
  • Excellent mechanical and electrical properties
  • Excellent fracture toughness characteristics
  • Excellent performance in applications requiring thermal cycling
  • Recognized insulation component with Thermal Index of 200°C

This product is part of the Huntsman Araldite range

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Filling of gaps and trailing edges
Bonding of sensors and current conductors
Repair, fixing of inserts and added elementsof inserts and added elements
Casing repair and bonding
Tooling with high temperature resistance
Union of added elements: Vortex, Serrations, etc.
Bonding of Nacelle
Control Shaft & Components
Protection of Screws & Components for Export
Sealing of Assembled Parts