SIL-PAD

Poly-Pad 400

Features & Benefits

  • Thermal impedance: 1.13°C-in2/W (@50 psi)
  • Polyester based
  • For applications requiring conformal coatings
  • Designed for silicone-sensitive standard applications

Properties

Typical properties of Poly-Pad 400
Properties Imperial Value Metric Value Test Method
Color
Tan
Tan
Visual
Reinforcement Carrier
Fiberglass
Fiberglass
***
Thickness (inch) / (mm)
0.009
0.229
ASTM D374
Hardness (Shore A)
90
90
ASTM D2240
Breaking Strength (lbs/inch) / (kN/m)
100
18
ASTM D1458
Elongation (% - 45° to Warp and Fill)
10
10
ASTM D412
Tensile Strength (psi) / (MPa)
7000
48
ASTM D412
Continuous Use Temp (°F) / (°C)
-4 to 302
-20 to 150
***
Electrical
Dielectric Breakdown Voltage (Vac)
2500
2500
ASTM D149
Dielectric Constant (1000 Hz)
5.5
5.5
ASTM D150
Volume Resistivity (Ohm-meter)
1011
1011
ASTM D257
Thermal
Thermal Conductivity (W/m-K)
0.9
0.9
ASTM D5470
Flame Rating
V-O
V-O
U.L. 94
Pressure (psi)
10
25
50
100
200
TO-220 Thermal Performance (ºC/W)
5.85
5.61
5.13
4.59
4.12
Thermal Impedance (ºC-in2/W) (1)
1.62
1.35
1.13
0.86
0.61