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 1x10-4 ohmcm. 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>