EPOXIES’ 70-3812 NC is a two component, aluminum filled epoxy system. The system is used for making heat resistant tools, parts, or bonds that require very high thermal conductivity and heat resistance.
Viable for a variety of heat sink applications, common applications include fin to base, folded-fin set to base, pin-fin set to base, and cold plate tube to extruded base. Specifications include:
- Color Grey
- Viscosity, 25°C,
- Resin 130,000
- Mixed 8,000
- Specific Gravity, 25°C 1.81
- Working time, 100 grams, 25°C 5 Hours
- Durometer, Shore D
- 25°C 90
- 100°C 65
- Tensile Strength, psi, 25°C 9,000
- Aluminum to Aluminum
- 1” overlap 2,500
- Compressive Strength, PSI, 25°C 18,500
- Mix Ratio, by weight 100:10
- Operating temperature, °C -55 to 155
- Coefficient of Thermal Expansion, °C 28 x 10-6
- Thermal Conductivity, W/m- °K 4.5
- Outgassing
- % TML .91
- % CVCM .07
For more details, visit EPOXIES.