123-39C Technical Datasheet

ELECTRICALLY CONDUCTIVE EPOXY ADHESIVE

DESCRIPTION 123-39A/B is an easy to use, 1 to 1 mix ratio, two part, heat cured, flexible, silver–filled epoxy adhesive. The 123-39 system may be used for making electrical and mechanical attachments on electrical components and devices. Unlike typical heat curing systems, this product always results in excellent conductivity and is less sensitive to handling and ambient conditions. 123-39A/B is a flexible version of 118-15A/B.
Part A
Part B
Appearance
Silver
Silver
Consistency
Paste
Paste
Mix Ratio (by weight)
1
1
Pot Life
> 2 days

MIXING INSTRUCTIONS Premix Parts A and B in original container prior to combining. Add Part B to Part A and mix until uniform.

CURING INSTRUCTIONS Best results are obtained when product is cured at one of the following schedules: 90 mins @ 80°C or 15 mins @ 120°C or 5 mins @ 150°C or 2 mins @ 175°C

TYPICAL PROPERTIES

Property
Value
Volume Resistivity (Ω-cm)
0.0002 to 0.0004
Sheet Resistivity (Ω/sq/mil)
0.065
Glass Transition Temperature (°C)
65
Useful Temperature Range
-55°C to +200°C
Tensile Shear Strength, min. (psi)
1500
Solvent Resistance
Excellent
Solderable
No
Specific Gravity (g/cc)
2.6

STORAGE: Shelf life: 12 months at 25°C, in unopened, unmixed containers.

SAFETY & HANDLING: Use with adequate ventilation. Keep away from sparks and open flames. Avoid prolonged contact with skin and breathing of vapors. Wash with soap and water to remove from skin.

All technical information is based on data obtained by CMI personnel and is believed to be reliable. No warranty is either expressed or implied with respect to results or possible infringements on patents.

REVISION DATE: 2/15/07 REVISION: B

View the Technical Data sheet in pdf format.

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