EPO-TEK® OG142-112 Low Viscosity Epoxy, UV Cure (3cc Syringe)

The EPO-TEK® OG142-112 Epoxy is a single component, low viscosity epoxy for adhesive sealing and encapsulating fiber optic and opto-electronic packaging applications.

Physical Properties:

• Consistency: Pourable liquid
• Viscosity (23°C): 1,200 - 1,700 cPs
• Glass Transition Temperature, Tg: ≥ 90°C (degree Celsius); ≥ 194°F (degree Fahrenheit)
• Shore D Hardness: 83
• Coefficient of Thermal Expansion (CTE):
  • Below Tg: 55 x 10^-6 in/in°C
  • Above Tg: 158 x 10^-6 in/in°C
• Suggested Operating Temperature: < 300 °C (Intermittent); < 572°F  

Optical Properties:

• Spectral Transmission: ≥ 97% @ 500-1,660 nm
• Refractive Index (uncured): 1.5374 @ 589 nm
• Refractive Index (cured): 1.5560 @ 589 nm

See Datasheet for additional properties and application notes