Technical Product Bulletin
PURE SILVER FILLED ELECTRICALLY CONDUCTIVE EPOXY, MAXIMUM CONTINUITY OF CONDUCTIVITY
PRODUCT DESCRIPTION:
AA-DUCT 918 is an epoxy adhesive and coating formulation based on pure silver. This versatile silver formulation offers the maximum continuity of conductivity with an electrical resistivity value of less than 1×10-4 ohm•cm.
AA-DUCT 918 is also characterized by a wide operating temperature range from –50 to +170°C.
AA-DUCT 918 is recommended for electronic bonding and sealing applications that require both fine electrical and mechanical properties.
PRODUCT PROPERTIES:
| Appearance | Silver |
| Cure Type | Heat cure or Room temperature |
| Benefits | High strength Perfect bond Cold solder for heat-sensitive components |
| Mix Ratio by weight | 100:100 / Resin:Hardener |
| Substrates | Excellent choice aluminum, copper, magnesium, steel, bronze, nickel, kovar, ceramic, glass, phenolic and G-10 epoxy glass boards. |
| Operating Temperature | –50 to +170°C |
| Typical Applications | Electrical, conductive, rmi/efi shielding, circuitry, printed circuit board and electronics repair |
UNCURED PROPERTIES:
| Specific Gravity, mixed | 2.79 |
| Reactive solids contents, % | 100 |
| Pot Life | 1 Hour |
| Shelf Life | 1 Year |
| Viscosity | Paste |
CURE SCHEDULE:
| 15 minutes | @ 100°C |
| 45 minutes | @ 50°C |
| 24 hours | Room temperature |
CURED PROPERTIES:
| Hardness, Shore D | 85 |
| Shrinkage linear in/in | 0.0003 |
| Lap shear strength, psi | 5 N/mm2 700 psi |
| Volume Resistivity ohm. cm | < 0.0001 |
| Thermal Expansion Coefficient, (cm / cm / °C • 10-5) | 1.5 |
| Thermal Conductivity, btu / hr / ft2 / °F / in | 100 |
| Tensile Strength, psi | 9500 |
| Compressive Strength, psi | 14,000 |
| Heat Distortion, °C | 95 |
| Electrical Resistivity | < 1x10 -4 ohm·cm/td> |
GENERAL INFORMATION:
For safe handling information on this product, consult the Material Safety Data Sheet, (MSDS).
HOW TO USE:
1) Carefully clean and dry all surfaces to be bonded.
AA-DUCT 918 Rigid Conductive Silver Epoxy Dual Cartridge System