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Material Properties
ELECTRICAL PROPERTIES
The properties listed
are typical values obtained by testing large numbers of specimens under
specified conditions and procedures. As additional processing of the sheet
can influence the material properties.
| Property |
Value |
| Dielectric Strength |
˜100 kV/cm |
| Surface Resistance |
>10 12? |
| Volume Resistivity |
4 x 10 15?cm |
| Dielectric Constant |
2.4 (for 1kHz) |
| Dielectric Dissipation Factor |
0.013 (for 1kHz) |
| Tracking Resistance |
600 CPI |
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SHEET SIZES & TOLERANCES
| Dimension |
Value |
Standard
sheet sizes: |
|
| Foamalux |
2440 x 1220mm |
| |
3050 x 1220mm |
| |
3050 x 1560mm |
| |
3050 x 2050mm |
Foamalux Ultra
|
2440 x 1220mm |
| |
|
| Tolerances: |
|
| Length: |
-0, +10mm |
| Width: |
-0, +3mm |
| Thicknessess: |
± 5% |
*Other sizes are available to order
subject to minimum quantities.
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ACOUSTIC PROPERTIES
Sound attenuation - frequency range 100-3500Hz
| Thickness |
Attenuation |
| 1mm |
12dB |
2mm
|
18dB |
| 3mm |
19dB |
| 4mm |
20dB |
| 5mm |
22dB |
| 6mm |
23dB |
| 8mm |
24dB |
| 10mm |
27dB |
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THERMAL PROPERTIES
| Property |
Value |
| Vicat softening temperature: |
76°C |
Thermal
conductivity K:
|
0.085 W/m°C |
| Thermal decomposition temperature: |
>200°C |
Thermal
resistance R:
|
1mm 0.18 m^2°K/W
2mm 0.19 m^2°K/W
3mm 0.20 m^2°K/W
4mm 0.22 m^2°K/W
5mm 0.23 m^2°K/W
6mm 0.24 m^2°K/W
8mm 0.26 m^2°K/W
10mm 0.29 m^2°K/W |
Thermal
expansion
coefficient: |
0.076 mm/m°C |
Service
temperature
range: |
-20 to +60°C |
|
the information given should be treated with caution
when applied to finished products. Unless otherwise
specified the properties apply to both Foamalux
and Foamalux Ultra. |
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