Specialty Materials for Electronic Assembly
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Item # SE4430, Dow Electronics Thermally Conductive Adhesives/Sealants



Two-part; thermally conductive elastomer




Specifications  · Features  · Potential Uses  · Application Methods

Specifications

Type

Thermally Conductive Materials for Pad Manufacturing

Product Form

Two-Part

Color

Gray

Viscosity

5600 mPa/s

Durometer

70 OO

Penetration (1/10 of mm)

35

Tensile Strength

60 psi
0.4
MPa
4.2
kgf/cm²

Elongation

400 %

Specific Gravity

2.2

Linear CTE

174 µ/mC

Working Time at Room Temperature1

4 h

Room Temperature Cure Time2

7 h

Heat Cure Time at 100 ºC (212 ºF)3

3.5 min

Heat Cure Time at 125 ºC (257 ºF)4

2.5 min

Heat Cure Time at 150 ºC (302 ºF)5

1.9 min

Thermal Conductivity6

0.95 W/m·K

Shelf Life from Date of Manufacture

8 months

Dielectric Strength

455 V/mil
17.9
kV/mm

Dielectric Constant at 100 Hz

4.6

Dielectric Constant at 100 kHz

4.6

Dissipation Factor at 100 Hz

0.002

Dissipation Factor at 100 kHz

0.00015

Volume Resistivity

1.90E+14 O/cm
1 Time to double initial mixed viscosity.
2 Cure time for 3 mm thickness at 20 °C (68 °F) and 55 % relative humidity.
3 Time to 90 percent of final hardness and adhesion or 90 % of curve height for elastic modulus; additional time may be required for the part to warm to near oven temperature.
4 Time to 90 percent of final hardness and adhesion or 90 % of curve height for elastic modulus; additional time may be required for the part to warm to near oven temperature.
5 Time to 90 percent of final hardness and adhesion or 90 % of curve height for elastic modulus; additional time may be required for the part to warm to near oven temperature.
6 Thermal Conductivity at 25 ºC (77 ºF)


Features

Soft; good thermal conducitvity; low viscosity



Potential Uses

Base material for thermally conductive pads



Application Methods

Manual or automated meter-mix