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.

Fiber Optic Center will be at Photonics West - Schedule your meeting with a member of the FOC team now

Hernon Tuffbond® 302 Fast Cure Epoxy, Room Temperature Cure (50ml)

TB302-50ML

Hernon Tuffbond 302 AB Clear/light Amber 50ML dual barrel cartridge. Includes mixing nozzle.
The Hernon Tuffbond® 302 Epoxy Adhesive provides a very fast room-temperature cure. Tuffbond 302 exhibits very good moisture chemical and heat resistance. This very fast cure epoxy adhesive is specially formulated for rapid in-line assembly of loudspeakers. Tuffbond 302 is also recommended for bonding metals, wood, ceramics, etc and can be used for potting and encapsulation of electrical and electronic components. 

Product Benefits
  • Low shrinkage
  • 100% reactive, non-solvent system
  • Easy mixing ratio of resin and hardener
  • No fuming on gelation
Uncured Properties:
  • Viscosity at 25°C: 50,000-60,000cP
Cured Properties:
  • Working Life at 22°C (20g): ≤ 5 minutes
  • Durometer Hardness: 85-90 Shore D
  • Glass Transition Temperature, Tg: 52°C (125.6°F)
  • Coefficient of thermal expansion, ASTM D696 (K-1) :
    • Below Tg: 18 x 10-6
    • After Tg: 240 x 10-6
  • Operating Temperature: -54°C to 85°C (-65.2°F to 185°F)
  • Coefficient of thermal conductivity, ASTM C 177: 0.567 W/(m·K)