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Tflex 300, at pressures of 50psi, will deflect to over 50% the original thickness. This high rate of compliancy allows the material to “totally blanket” the component, enhancing thermal transfer. The material has a very low compression set enabling the pad to be reused many times.
Tflex 300, in achieving its stellar compliancy, does not sacrifice thermal performance. With a thermal conductivity of 1.2 W/mK, low thermal resistances can be achieved at low pressures.
Tflex 300-H is offered with a hard, metallized liner option for easy handling and improved rework. The metallized liner’s lower coefficient of friction also allows for easy assembly of parts that must slide together, such as a card into a chassis.
Typicial Properties | Value | Test Method |
---|---|---|
Construction & Composition | Ceramic filled silicone sheet | N/A |
Colour | Light Green | Visual |
Thickness Range | 0.50mm (0.020”) - 5.08mm (0.20”) | N/A |
Thermal Conductivity (W/mK) | 1.2 | ASTM D5470 |
Density (g/cc) | 1.78 | Helium Pyncometer |
Hardness (Shore 00) | 51.4 (20-30 mil) 25.2 (40+ mil) | ASTM D2240 |
Outgassing TML (weight %) | 0.56 | ASTM E595 |
Outgassing CVCM (weight %) | 0.1 | ASTM E595 |
Temperature Range | -40°C to 160°C | N/A |
Rth@ 40 mils, 10 psi, 500C | 0.98°C–in2/W | ASTM D5470 (modified) |
* Dielectric Constant @ 10GHz | 4.5 * | ASTM D150 |
UL Flammability Rating | V-0 | UL 94 |
Volume Resistivity | 10^13 ohm-cm | ASTM D257 |
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Ceramic filled gap filling pad
Thermal conductivity = 6.0W/mK
Compliant surfaces on both sides function to reduce interfacial thermal resistance
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