Thermal Grease

Thermal grease is known by a number of names including: CPU grease heat paste heat sink compound or paste thermal compound, gel or paste thermal interface material.It is a thermally conductive material which is usually electrically insulating which helps to dissipate heat from a device. Its main function is to ensure there is no air space between which would act as a thermal insulator. It fills in the microscopic imperfections on the heatsink and device.It is most commonly used between a CPU and a heat sink to maximise heat transfer. It is also used on other electronic components which create heat and also need a heat sink such as MOSFET transistors.There are other types of products to eliminate the air gap under a heat sink: Thermal Adhesive Thermal Gap Pads

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Description Price Thermal Conductivity Material Maximum Operating Temperature Minimum Operating Temperature Chemical Component Operating Temperature Range Physical State
RS Stock No. 217-3835
BrandRS PRO
$30.45
Each
units
2.9W/m·K Silicone +200°C -40°C Powdered Metal Oxides, Silicone Oil -40 → +200 °C -
RS Stock No. 554-311
BrandRS PRO
$24.62
Each
units
0.65W/m·K Metal Oxide +200°C -40°C Powdered Metal Oxides, Silicone Oil -40 → +200 °C -
RS Stock No. 915-6118
BrandRS PRO
$32.66
Each
units
4W/m·K Non-Silicone +150°C -50°C - -50 → +153 °C -
RS Stock No. 707-4724
BrandRS PRO
$36.34
Each
units
3.6W/m·K Silicone +180°C -40°C - -40 → +180 °C -
RS Stock No. 707-4736
BrandRS PRO
$46.42
Each
units
5W/m·K Silicone +180°C -40°C - -40 → +180 °C -
RS Stock No. 915-6105
BrandRS PRO
$26.16
Each
units
2W/m·K Non-Silicone +150°C -50°C - -50 → +150 °C -
RS Stock No. 707-4733
BrandRS PRO
$25.59
Each
units
1.8W/m·K Silicone +180°C -40°C - -40 → +180 °C -
RS Stock No. 915-6111
BrandRS PRO
$399.15
Each
units
4W/m·K Non-Silicone +150°C -50°C - -50 → +152 °C -
RS Stock No. 915-6109
BrandRS PRO
$148.79
Each
units
2W/m·K Non-Silicone +150°C -50°C - -50 → +151 °C -
RS Stock No. 180-5300
BrandRS PRO
$144.03
Each
units
2W/m·K Silicone +200°C -50°C - -50 → +200 °C Paste
RS Stock No. 180-5301
BrandRS PRO
$47.96
Each
units
2W/m·K Silicone +200°C -50°C - -50 → +200 °C Paste
RS Stock No. 180-5310
BrandRS PRO
$97.91
Each
units
1.4W/m·K Silicone +300°C -30°C - -30 → +300 °C Paste
RS Stock No. 180-5296
BrandRS PRO
$150.34
Each
units
3.5W/m·K Aluminium Oxide - - Aluminium Oxide - Paste
RS Stock No. 909-2092
BrandRS PRO
$131.90
Each
units
3.4W/m·K - +125°C -30°C - -30 → +125 °C -
RS Stock No. 180-5302
BrandRS PRO
$61.69
Each
units
3W/m·K Silicone +200°C -50°C - -50 → +200 °C -
RS Stock No. 180-5313
BrandRS PRO
$739.57
Each
units
5.2W/m·K Silicone +300°C -30°C Carbon Black Mesoporous, Metal Filler, Methyltriacetoxysilane, Silicone-A -30 → +300 °C Paste
RS Stock No. 180-5299
BrandRS PRO
$102.87
Each
units
5W/m·K Silicone +200°C -50°C - -50 → +200 °C Paste
RS Stock No. 180-5309
BrandRS PRO
$36.27
Each
units
5.2W/m·K Silicone +300°C -30°C Carbon Black Mesoporous, Metal Filler, Methyltriacetoxysilane, Silicone-A -30 → +300 °C Paste
RS Stock No. 180-5312
BrandRS PRO
$290.49
Each
units
3.9W/m·K Silicone +300°C -30°C - -30 → +300 °C Paste
RS Stock No. 180-5298
BrandRS PRO
$156.35
Each
units
3W/m·K Non-Silicone +150°C -30°C - -30 → +150 °C -
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RS PRO 1805301 Silicone Thermal Interface Putty, 20W/mK. High compressibility, non-curing, pump out resistant, long term stability, electrical insulation, siloxane volatiles D4∼D20 0%Applications Battery packs, battery housings, power supplies, power cable connectors.Automotive ECU (electronic control units), ...
RS PRO 1805302 Silicone Thermal Interface Putty, 32W/mK. ...
Description:
RS PRO 1805302 Silicone Thermal Interface Putty, 32W/mK. High compressibility, non-curing, pump out resistant, long term stability, electrical insulation, siloxane volatiles D4∼D20 0%Applications Battery packs, battery housings, power supplies, power cable connectors. Automotive ECU (electronic control units), ...
RS PRO 1805308 Silicone Thermal Interface Grease 39W/mK. ...
Description:
RS PRO 1805308 Silicone Thermal Interface Grease 39W/mK. High performance Good thermal conductivity Easy to assemble, High stability, Does not harden with time ApplicationsDisplays, lighting protection. PDP TV, LCD CCFL and LCD LED display backlight, LED signage, projectors and new ...
RS PRO 1805311 Silicone Thermal Interface Grease 27W/mK. ...
Description:
RS PRO 1805311 Silicone Thermal Interface Grease 27W/mK. Good thermal conductivity, easy to assemble, high stability, does not harden with time.Applications Displays, lighting protection. PDP TV, LCD CCFL and LCD LED display backlight, LED signage, projectors and new display technology. ...