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Thermal Interface Materials

Electronic devices and systems continue to be designed to run at increasingly higher clock speeds while at the same time being reduced in size. As a result Thermal Management becomes more important to the functionality of a product. To increase heat dissipation between a hot area and the cooling device such as a heat sink, THERMAWORX Thermal Interface Materials are used. These silicone based materials work by displacing the air in uneven areas with highly conductive material yielding increased cooling. Thermal Interface Materials offer excellent thermal transfer properties across a wide gap range, and are available in several formulations for use in a variety of thermal management scenarios.

 

 

Material Type   T100 T150  T200  T250 T300 T350 T400 T500 T600
Base Elastomer   Silicone Silicone Silicone Silicone Silicone Silicone Silicone Silicone Silicone
Reinforcement   Fiberglass Fiberglass Fiberglass Fiberglass Fiberglass NA NA NA NA
Color   L. Gray Pink L. Blue Yellow D. Blue Green L. Red White Gray
Thickness Range (mm)   0.3 - 14 0.3 - 14 0.3 - 14 0.3 - 14 0.3 - 14 0.5 - 5.0 0.5 - 5.0 0.5 - 3.0 0.5 - 3.0
Thermal/ Electrical Test Method T100 T150 T200 T250 T300 T350 T400 T500 T600
Thermal Conductivity (W/m*K) ASTM D5470 1.0 1.5 2.0 2.5 3.0 3.5 4.0 5.0 6.0
Thermal Impedance ASTM D5470 1.5 1.5 1.0 1.0 0.75 0.75 0.50 0.45 0.40
Dielectric Strength ASTM D149 7 7 8 8 8 8 9 9 9
Dielectric Constant @ 1 MHz ASTM D150 6.8 7.2 7.2 6.3 6.3 5.2 7.0 5.0 4.1
Volume Resistivity ohms-cm ASTM D257 1014 1014 1014 1014 1014 1014 1014 1014 1014
Physical Properties Test Method T100 T150 T200 T250 T300 T350 T400 T500 T600
Hardness, Shore OO ASTM D2240 12 15 18 25 30 35 40 45 50
Specific Gravity (g/cm3 ASTM D792 2.32 2.62 2.80 2.95 3.20 3.05 3.10 3.10 2.30
Tensile Strength ASTM D412 0.55 0.52 0.43 0.32 0.30 0.28 0.25 0.15 0.36
Elongation %  ASTM D412 56.4 97.3 104.5 125.4 86.5 58.8 84.7 60 32.4
Temperature Range (°C) -50°C to 160°C
Outgassing, %TML ASTM E595 <0.4 <0.4 <0.35 <0.35 <0.3 <0.2 <0.2 <0.5 <0.6
Flame Rating UL94 V-0 V-0 V-0 V-0 V-0 V-0 V-0 V-0 V-0
Shelf Life Months 24 24 24 24 24 24 24 24 24

Configurations

  • Available as Sheet Stock
  • Can be Die Cut to any size
  • Kiss-Cutting available
  • Can be custom molded
  • Available with adhesive backing

Features

  • Soft, Excellent Compression Rate
  • Large Gap Range
  • UL94 V-O Flammability Rated
  • RoHS & REACH Compliant
  • Material Specific Thermal Conductivity

Applications

  • Power Conversion
  • Flat Panel Displays
  • LED Lighting
  • Audio - Video Devices
  • Instrumentation