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EPO-TEK® 354-2 High Temperature Epoxy, Heat Cure (4g)

ET354-2-4G

EPO-TEK® 354-2 Fiber Optic Epoxy, Heat Cure, 2-Part Epoxy, 4 Gram Packet
The EPO-TEK® 302-3M High-Temperature Optical Epoxy is a two-component, high Tg epoxy designed for semiconductor packaging in medical, fiber optic, and optoelectronic assemblies. It provides electrical and thermal insulation. Recommended Cure: 150°C for 1 Hour (302°F).

Physical Properties:

  • Consistency: Pourable liquid
  • Viscosity (23°C): 7,415 cPs
  • Glass Transition Temperature (Tg): 123°C (degree Celsius); 253.4°F (degree Fahrenheit)
  • Shore D Hardness: 83
  • Coefficient of Thermal Expansion (CTE):
    • Below Tg: 80.8 × 10⁻⁶ in/in °C
    • Above Tg: 297.4 × 10⁻⁶ in/in °C
  • Suggested Operating Temperature: < 300°C (Intermittent); < 572°F

Optical Properties @ 23°C (73.4°F):

  • Spectral Transmission: >95% @ 600-1200 nm
  • Refractive Index: 1.5759 nm
See Datasheet for additional properties and application notes

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