Holiday Update:
Fiber Optic Center will be closed December 24 and 25.
Due to potential early carrier pickups, PLEASE HAVE ALL ORDERS IN BY NOON ON MONDAY, DECEMBER 23.
We will resume our regular business hours on Thursday, December 26.
EPO-TEK® 302-3M Transparent Epoxy, Room Temperature Cure (4g)
ET302-3M-4G
EPO-TEK® 302-3M General Bonding, Room Temperature Cure, 2-Part Epoxy, 4 Gram Packet
The EPO-TEK® 302-3M Transparent Epoxy is a two component epoxy used for optical, fiber optic, and semiconductor applications. The epoxy is good for adhesive joining, sealing, potting, or as a coating. 4 gram packet.
Features:
Features:
- Clear and colorless epoxy
- Excellent water, chemical, and solvent-resistant properties
- Passes NASA low outgassing standard ASTM E595 with proper cure
- Recommended Cure: 65°C / 3 Hours
- Pot life: 1 Hour
- Consistency: Pourable liquid
- Viscosity (23°C): 800 - 1,600 cPs
- Glass Transition Temperature, Tg: ≥ 55°C (degree Celsius); ≥ 131°F (degree Fahrenheit)
- Shore D Hardness: 80
- Coefficient of Thermal Expansion (CTE):
- Below Tg: 56 x 10-6 in/in°C
- Above Tg: 193 x 10-6 in/in°C
- Suggested Operating Temperature: < 250 °C (Intermittent); < 482°F
- Spectral Transmission: > 95% @ 460-1620 nm
- Refractive Index (uncured): 1.5446 @ 589 nm