AA-DUCT 917 Flexible Conductive Silver Epoxy Dual Cartridge System

$1.99 - $499.99
SKU:
AA-DUCT 917

Technical Product Bulletin

ELECTRICALLY CONDUCTIVE ADHESIVE FLEXIBLE SILVER EPOXY NON-BLEEDING


 

PRODUCT DESCRIPTION

AA-DUCT 917 is a non-bleeding, electrically conductive, silver-filled epoxy formulation recommended for electronic bonding, coating, and sealing applications that require flexibility coupled with good electrical and mechanical properties.

This two-part, thixotropic adhesive of refined pure silver and epoxy resin components is free of solvents and copper or carbon additives. It develops resilient, electrically and thermally conducting bonds and coatings between many different and dissimilar materials such as metals, ceramics, glass, and plastic insulates.

AA-DUCT 917 cures at room temperature and can be used as a flexible "cold-solder" for heat-sensitive components where hot-soldering is impractical. It also can be used for the assembly and repair of electrical modules, flexible circuits, membrane switches, wave guides, flat cable, and high-frequency shields.

GENERAL PROPERTIES

Appearance Silver
Cure Type Heat cure or Room temperature
Benefits
  • Free of solvents and copper or carbon additives
  • Coatings between many different and dissimilar materials
Mix Ratio by weight 100:100 Resin to Hardener
Substrates Metal, ceramics, glass, and plastic
Thixotropic Index 4.9
Typical Applications
  • Assembly and repair of electrical modules, flexible circuits, membrane switches, wave guides, flat cable, and high-frequency shields
  • Electronic bonding, coating, and sealing applications
  • Flexible "cold-solder" for heat-sensitive components

UNCURED PROPERTIES

Specific Gravity, mixed, g/cc 2.32
Pot Life 30 minutes
Solid Content, % 100
Volatile Organic Compounds (VOC) Content, g 24.41
Viscosity, cP @ 25 °C 995,000

CURE SCHEDULE

4 hours 65°C (149°F)
24 hours 25°C (77°F)

MISC PROPERTIES

Shelf Life 1 year
Hardness, Shore D 63
Adhesive Bond Strength, Lap shear, alum to alum, psi 90 in 24 hrs @ 25°C
170 in 4 hrs @ 65°C

ELECTRICAL PROPERTIES

Volume Resistivity, ohm·cm 0.00011 cured 4 hrs @ 65°C
0.0016 cured 24 hrs @ 25°C

THERMAL PROPERTIES

CTE, linear, µin/in-°F @ 68 °F 19.4
Thermal Conductivity, BTU-in/hr-ft²-°F 11.1
Operating Temperature, °C -60 to +110
Glass Transition Temp, Tg, °C 4.0 (39.2°F)

GENERAL INFORMATION

For safe handling information on this product, consult the Safety Data Sheet, (SDS).

HOW TO USE

  1. Carefully clean and dry all surfaces to be bonded.
  2. Apply AA-DUCT 917 completely mixed adhesive to the prepared surfaces, and gently press these surfaces together. Contact pressure is adequate for strong, reliable bonds; however, maintain contact until adhesive is completely cured.
  3. Some separation of components is common during shipping and storage. For this reason, it is recommended that the contents of the shipping container be thoroughly mixed prior to use.
  4. Some ingredients in this formulation provided may crystallize when subjected to low temperature storage. A gentle warming cycle of 52°C for 30 minutes prior to mixing components may be necessary. Crystallized epoxy components do not react as well as liquid components and should be re-dissolved prior to use for best results.

AVAILABILITY

This epoxy can be supplied in various different packages.

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