Electrically Conductive Silver Epoxy Adhesive, Heat Cure Required 904, 2.5 gm

Description

Technical Product Bulletin
HEAT CURE SILVER FILLED ELECTRICALLY CONDUCTIVE EPOXY
MAXIMUM CONTINUITY OF CONDUCTIVITY
THIS PRODUCT DOES NOT CURE/HARDEN UNLESS HIGH HEAT IS APPLIED.
We have some different products that do not require heating.
PRODUCT DESCRIPTION:
AA-DUCT 904
is a single component, heat curing, conductive epoxy that was designed for ease in handling. This high performance conductive
epoxy cures quickly at elevated temperatures making it ideally suited for rapid processing and assembly.
AA-DUCT 904
offers excellent mechanical, electrical, and physical properties at continuous operating temperatures up to 175°C.  This versatile
silver conductive adhesive can be used for chip bonding in micro and opto-electronic hybrid circuit fabrication.
AA-DUCT 904
has also been used in microwave applications for EMI and FRI shielding, for assembly and repair of circuit boards and electronic
component manufacturing.
AA-DUCT 904
is a smooth, soft paste that can be applied by hand application, automatic dispensers, screen-printing, transfer or stamping
techniques.  It is available in both a lower and higher viscosity grade for use in a variety of dispensing equipment and application techniques
.
CURED PROPERTIES:
Hardness, Shore D
83
PRODUCT PROPERTIES:
Appearance
Silver
Cure Type
Heat cure
Benefits
·
High strength
·
Excellent mechanical, electrical properties
Substrates
·
Integrated Circuits
·
Aluminum
·
Copper
·
Magnesium
·
Steel
·
Bronze
·
Nickel
·
Ceramic
·
Glass
·
Phenolic
·
G-10 epoxy glass boards.
CURE SCHEDULE:
2 hours
@ 125°C
1 hour
@ 150°C
1/2 hours
@ 175°C
UNCURED PROPERTIES:
Viscosity @ 25 °C  cps
200,000
Shelf life
6 Months
Density
3.6
THERMAL PROPERTIES:
Thermal Conductivity, btu/hr/ft2/°F/in:
16.1
Coefficient of Thermal Expansion
60x 10^-6 (in/in) C
Operating Temperature
-55°C to +175°C
Intermit. to 325
ELECTRICAL PROPERTIES:
Volume Resistivity ohm. cm
0.001
NASA OUTGASSING RESULTS:
TML (Total Mass Loss) % 0.38
TML (Total Mass Loss) % 0.38
CVCM (Collected Volatile Condensable Materials) % 0.01
CVCM (Collected Volatile Condensable Materials) % 0.01
WVR (Water Vapor Recovery) % 0.07
WVR (Water Vapor Recovery) % 0.07
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 904 adhesive to the prepared surfaces.
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.
AVAILABILITY:
This epoxy can be supplied in various different packages.
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