L37-3S is an ultra-soft silicone gap filler which has exceptional conformation to surface, a low thermal impedance and high dielectric breakdown voltage. L37-3S can be supplied in various formats ranging from standard sheets to custom die-cut pads in various thicknesses. L37-3S can also be provided with one or two sided thermally conductive adhesive for ease of manufacture.
FEATURES
- Very good thermal conductivity
- Soft and high compressibility
- Natural tack
- Easy to assemble
- Good insulator
- Great reworkability
APPLICATIONS
- Electronic components: IC, CPU, MOS
- LED, M/B, P/S, Heat Sink
- LCD TV, Notebook PC, PC Telecom Device, Wireless Hub, etc.
- DDR II Module, DVD Applications, Hand-set applications, etc.
| Property | L37-3S | Unit | Tolerance | Test Method |
| Colour | Light yellow | – | – | Visual |
| Thickness | 0.3 – 20 | mm | – | ASTM D374 |
| 0.0118 – 0.787 | inch | – | ASTM D374 | |
| Thermal Conductivity | 1.95 | W/mK | ±0.19 | ASTM D5470 |
| Flammability Rating | V-0 | – | – | UL 94 |
| Dielectric Breakdown Voltage | ›13 | kV/mm | ±1.3 | ASTM D149 |
| Weight Loss | ‹1 | % | – | ASTM E595 |
| Density | 2.21 | g/cm³ | ±0.2 | ASTM D792 |
| Working Temperature | -40 to 200 | ˚C | – | – |
| Volume Resistance | ›10¹² | Ohm-cm | – | ASTM D257 |
| Elongation | 350 | % | ±0.2 | ASTM D412 |
| Tensile Strength | 8 | Kgf/cm² | ±5 | ASTM D412 |
| Standard Shape | Sheet 320×320 | mm | – | – |
| Hardness | 55 | Shore 00 | ±10 | ASTM D2240 |