TYPICAL PROPERTIES OF SIL-PAD K-4
PROPERTY IMPERIAL VALUE METRIC VALUE TEST METHOD
Color
|
GRAY
|
GRAY
|
Visual
|
Reinforcement Carrier
|
Kapton
|
Kapton
|
----
|
Thickness(inch) /(mm)
|
0.006
|
0.152
|
ASTM D374
|
Hardness (Shore A)
|
90
|
90
|
ASTM D2240
|
BreakingStrenght (ibs/inch) / (kN/m)
|
30
|
5
|
ASTM D1458
|
Elongation (%45°toWarp and Fill)
|
40
|
40
|
ASTM D412
|
Tensile Strength (psi) /(MPa)
|
5000
|
34
|
ASTM D412
|
Continuous Use Temp (℉) /（℃）
|
-76 to356
|
-60 to 180
|
-----
|
ELECTRICAL
| |||
Dielectric Breakdown Voltage(Vac)
|
8000
|
8000
|
ASTM D149
|
Dielectric Constant (1000 Hz)
|
3.7
|
3.7
|
ASTM D150
|
Volume Resistivity(Ohm-meter)
|
1012
|
1012
|
ASTM D257
|
Flame Rating
|
VTM-O
|
VTM-O
|
U.L94
|
THERMAL
| |||
Thermal Conductivity(W/m-K)
|
0.9
|
0.9
|
ASTM D5470
|
THERMAL PERFORMANCE vs PRESSURE
| |||
Pressure(psi) 10 25 50 100 200
| |||
TO-220 Thermal Performance (℃/W) 3.66 3.43 3.13 2.74 2.42
| |||
Thermal Impedance (℃-in2/W)(1) 1.07 0.68 0.48 0.42 0.38
| |||
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