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August 5, 2019
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August 5, 2019
Laird Tflex™ HR400 Series – HR420 – 0.5mm
Thermal Gap Filler
£0.00
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- Thermal Conductivity 1.8 W/mK
- Soft and Compliant
- Available in thicknesses from 0.020” thru 0.400” (0.5mm thru 10.2mm)
97 Sheets In Stock
Description
Tflex™ HR400 is a cost-effective and compliant gap filler thermal interface material with excellent thermal performance and great handling for mass-production applications.
The low modulus interface pad conforms to component topography, resulting in little stress on the components, mating chassis or parts. The softness relieves mechanical stress from high stack-up tolerance and absorbs shock, resulting in improved device reliability. Tflex™ HR400’s recovery properties for applications requiring material rework result in continued mechanical integrity even after device rework and re-assembly.
Tflex™ HR400 is naturally tacky on both sides and requires no additional adhesive coating to inhibit thermal performance. The tack is designed to hold the pad in place during assembly and component transport.
Benefits
- Tflex™ HR400 is naturally tacky on both sides and requires no additional adhesive coating to inhibit thermal performance.
- Environmentally friendly solution that meets regulatory requirements including RoHS and REACH
Features
- Thermal Conductivity 1.8 W/mK
- Soft and Compliant
- Naturally tacky for adhesion during assembly and transport
Recommended Uses
- Excellent thermal performance and great handling for mass-production applications.
Specifications
| Typical Properties | Value | Test Method |
|---|---|---|
| Construction & Composition | Ceramic filled silicone sheet | N/A |
| Colour | Dark Grey | Visual |
| Thickness Range | 0.50mm (.020”) – 8.9mm (0.350”) | N/A |
| Thickness Tolerance | +/- 10% | N/A |
| Thermal Conductivity (W/mK) | 1.8 | ASTM D5470 |
| Density (g/cc) | 1.93 | Helium Pycnometer |
| Hardness (Shore 00) | 53 | ASTM D2240 |
| Outgassing TML (weight %) | 0.32 | ASTM E595 |
| Outgassing CVCM (weight %) | 0.09 | ASTM E595 |
| Temperature Range | -50°C to 160°C | Laird Test Method |
| Rth@ 40 mils, 10 psi | 1.00 °C–in2/W | ASTM D5470 (Modified) |
| Dielectric Constant @ 1 MHz | 4.81 | ASTM D150 |
| UL Flammability Rating | V-0 | UL 94 |
| Volume Resistivity | 2 x 1013 ohm-cm | ASTM D257 |
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