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
RS Stock No. 909-2092
BrandRS PRO
PHP6,357.55
Each
units
3.4W/m·K - +125°C -30°C - -30 → +125 °C
RS Stock No. 707-4733
BrandRS PRO
PHP889.39
Each
units
1.8W/m·K Silicone +180°C -40°C - -40 → +180 °C
RS Stock No. 707-4736
BrandRS PRO
PHP1,680.89
Each
units
5W/m·K Silicone +180°C -40°C - -40 → +180 °C
RS Stock No. 915-6109
BrandRS PRO
PHP6,275.85
Each
units
2W/m·K Non-Silicone +150°C -50°C - -50 → +151 °C
RS Stock No. 915-6105
BrandRS PRO
PHP862.69
Each
units
2W/m·K Non-Silicone +150°C -50°C - -50 → +150 °C
RS Stock No. 915-6111
BrandRS PRO
PHP12,330.47
Each
units
4W/m·K Non-Silicone +150°C -50°C - -50 → +152 °C
RS Stock No. 707-4724
BrandRS PRO
PHP1,316.08
Each
units
3.6W/m·K Silicone +180°C -40°C - -40 → +180 °C
RS Stock No. 915-6118
BrandRS PRO
PHP1,122.35
Each
units
4W/m·K Non-Silicone +150°C -50°C - -50 → +153 °C