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
$18.02
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
$30.31
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. 180-5310
BrandRS PRO
$97.91
Each
units
1.4W/m·K Silicone +300°C -30°C - -30 → +300 °C Paste
RS Stock No. 180-5311
BrandRS PRO
$144.05
Each
units
2.7W/m·K Silicone +300°C -30°C - -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. 180-5313
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. 180-5314
BrandRS PRO
$317.25
Each
units
2W/m·K Silicone +200°C -60°C - -60 → +200 °C Paste
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. 909-2092
BrandRS PRO
$123.27
Each
units
3.4W/m·K - +125°C -30°C - -30 → +125 °C -
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. 180-5302
BrandRS PRO
$61.69
Each
units
3W/m·K Silicone +200°C -50°C - -50 → +200 °C -
RS Stock No. 180-5304
BrandRS PRO
$266.59
Each
units
3W/m·K Silicone +200°C -50°C - -50 → +200 °C -
RS Stock No. 180-5297
BrandRS PRO
$89.16
Each
units
1.5W/m·K Non-Silicone +150°C -30°C - -30 → +150 °C Paste
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