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Cationic curing electrical conductive silicone adhesive

X-32-4049

X-32-4049 is a cationically curable silicone adhesive. Unlike the addition-curing type, there is no curing inhibition caused by the silver filler.

Printed circuit
Printed circuit

Features

Applications


Die bond
Die bond
Crystal oscillator
Crystal oscillator

Reaction

Reaction

General properties

Parameter Product name X-32-4049

Appearance

Gray

Viscosity at 23°C

Pa·s
25

Non volatile content

wt%
99.2

Solvent

Non solvent

Strage condition

Refrigerated (0 to 10°C)

Curing condition

150°C×1 h

After curing

Density at 23°C

g/cm3
5.2

Glass transition point

°C
-45

Hardness   Type D

82

Elastic modulus at 25°C

MPa
17.5

Coefficient of linear expansion

ppm
65

Conductivity

Ω·cm
7.0×10-5

Thermal conductivity

W/m·K
8.2

Die shear*

MPa
33.7 to 17.2 (25°C to 150°C)

*Bonded to 26×30 mil chip

(Not specified values)
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