EPO-TEK® OD2002 Thermally and Electrically Insulating High Tg Epoxy, Heat Cure (4g)

The EPO-TEK^® OD2002 High Tg Fiber Optic Epoxy is a two-component, thermally and electrically insulating optical epoxy. It is designed as a high glass transition temperature (Tg), yet compliant, alternative to EPO-TEK 353ND. Recommended Cure: 150°C (302°F) for 1 hour. Available in a 4-gram packet.

Features:

• High glass transition temperature epoxy
• Pot life: 4 hours
• Highly autoclave-resistant; bonded devices rated to 1,000 autoclave cycles

Applications:

• Fiber Optic: fiber terminations to ferrules
• Optoelectronics packaging
• Hybrids: lid sealing with near-hermetic leak rate

Physical Properties:

• Consistency: Viscous liquid
• Viscosity (23°C): 24,000-42,000 cPs
• Glass Transition Temperature (Tg): ≥ 140°C (degree Celsius); ≥ 284°F (degree Fahrenheit)
• Shore D Hardness: 69
• Coefficient of Thermal Expansion (CTE):
  • Below Tg: 45 × 10⁻⁶ in/in °C
  • Above Tg: 187 × 10⁻⁶ in/in °C
• Suggested Operating Temperature: < 350°C (Intermittent); < 662°F

Optical Properties @ 23°C (73.4°F):

• Spectral Transmission: ≥ 98% @ 800-1640 nm
• Refractive Index: 1.5728 @ 589nm

See Datasheet for additional properties and application notes