EPO-TEK® 301-2FL Clear Epoxy, Room Temperature Cure (2.5g)

ET301-2FL-2.5G

EPO-TEK® 301-2FL General Bonding, Room Temperature Cure, 2-Part Epoxy, 2.5 Gram Packet
EPO-TEK® 301-2FL clear epoxy is a two component optical and semiconductor grade epoxy resin. It is a more flexible version of EPO-TEK 301-2. This epoxy is capable of both heat cure and room temperature cure.

Features:
  • Recommended Cure: 80°C / 3 Hours
  • Pot life: 10 Hours
Physical Properties:
  • Consistency: Pourable liquid
  • Viscosity (23°C): 100 - 200 cPs
  • Glass Transition Temperature, Tg: ≥ 45°C (degree Celsius); ≥ 113°F (degree Fahrenheit)
  • Shore D Hardness: 70
  • Coefficient of Thermal Expansion (CTE):
    • Below Tg: 56 x 10-6 in/in°C
    • Above Tg: 211 x 10-6 in/in°C
  • Suggested Operating Temperature: < 250 °C (Intermittent); < 482°F  
Optical Properties:
  • Spectral Transmission:
    • ≥ 97% @ 1,000-1,600 nm
    • ≥ 99% @ 400-1,000 nm
  • Refractive Index: 1.5102 @ 589 nm
See Datasheet for additional properties and application notes