ÅngströmBond® AB2902 Electrically & Thermally Conductive Silver Epoxy, Room Temperature & Heat Cure (2.5g)

The ÅngströmBond® AB2902 is an electrically conductive epoxy and thermally conductive, low outgassing adhesive. This two-component, silver-filled epoxy is designed for applications requiring reliable electrical conductivity and efficient heat dissipation. It meets NASA outgassing requirements per ASTM E-595. Available in a 2.5g packet. 

Features for AB2902:

• Electrically Conductive
• Thermally Conductive Epoxy
• Low-outgassing epoxy meets NASA ASTM E595 requirements.
• Room Temperature & Heat Cure
• High Viscosity
• Silver-filled 

Physical Properties:

• Color: Silver
• Specific Gravity: 3.3 g/cc
• Viscosity: 50,000 cps
• Volume Resistivity:
  • Ohms-cm (7 days @ 25°C): <0.005
  • Ohms-cm (3 hrs @ 80°C): <0.002
• Lap Shear Strength: 1000 psi (Al/Al:)
• Shore D Hardness: >80
• Service Temperature Range: -60°C to 125°C (-76°F to 257°F)
• Thermal Conductivity: 3.0 W/m·K

Handling Characteristics:

• Mix Ratio by Weight, Resin to Hardener:  100/6
• Pot Life @ 25°C: 3 hours
• Minimum Cure Schedule by DSC:
  • @ 25°C - 24 hours
  • @ 80°C - 3 hours

NASA Outgassing (ASTM E-595)

• Cured for 3 hours @ 80°C
  • TML (Total Mass Loss): 0.47%
  • CVCM (Collected Volatile Condensable Material): 0.01%
  • WVR (Water Vapor Regain): 0.12%

See Datasheet for additional properties, storage and handling notes