Conductive Nickel Epoxy RMI EFI Shielding Electronic Assembly Repair 903, 2.5gm

Description

Technical Product Bulletin
NICKEL FILLED ELECTRICALLY CONDUCTIVE EPOXY ADHESIVE
PRODUCT DESCRIPTION:
AA-DUCT 903
is an epoxy adhesive and coating formulation based on Nickel.  This epoxy nickel formulation offers the
maximum continuity of conductivity with an electrical resistivity value of less
than
3.8x10-2 ohm-cm.
AA-DUCT 903
is recommended for electronic bonding and sealing applications that require both fine electrical and
mechanical properties.
AA-DUCT 903
has been used extensively in such diversified applications as microwave EMI & RFI shielding, in the
assembly or repair of printed circuit boards, wave guides, electronic modules, flat
cable, high frequency shields, connections, circuitry and as a cold solder for high-sensitive components where hot-soldering is
impractical.
GENERAL PROPERTIES:
Appearance
Grey
Cure Type
Heat cure or Room temperature
Benefits
High strength
Perfect bond
Cold solder for high-sensitive components
Mix Ratio by weight
100:5 / Resin:Hardener
Substrates
Aluminum
Copper
Magnesium
Steel, Bronze
Nickel
Kovar
Ceramic,
Glass,
Phenolic
G-10 Epoxy Glass Boards.
Typical Applications
Electrical
Conductive
Rmi/efi shielding
Circuitry
Printed circuit board
Electronics repair
UNCURED PROPERTIES:
Viscosity @ 25 °C  cps
Paste
Specific Gravity, mixed
2.79
Reactive solids contents, %
100
Pot Life
1 Hour
Shelf life
1 Year
CURED PROPERTIES:
Hardness, Shore D
85
Shrinkage linear    in/in
0.003
Tensile Strength, psi
9500
Volume Resistivity ohm. cm
< 0.038
Thermal Expansion Coefficient
, (cm / cm / °C · 10-5)
1.46
Compressive Strength, psi
14,000
CURE SCHEDULE:
15 minutes
@ 100°C
45 minutes
@ 50°C
24 hours
@ 25°C
THERMAL CONDUCTIVITY:
Thermal Conductivity, but / hr / ft2 / °F / in:
9.4
Thermal Expansion Coefficient,
(cm / cm / °C · 10-5)
1.5
Heat Distortions, °C
9,500
Operating Temperature Range, °C
-50 to +170
AVAILABILITY :
This epoxy can be supplied in many different packages.
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.
2)
Apply AA-DUCT 903 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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