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. 909-2092
BrandRS PRO
€76.59
Each
units
3.4W/m·K - +125°C -30°C - -30 → +125 °C -
RS Stock No. 217-3835
BrandRS PRO
€13.78
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
€6.49
Each
units
0.65W/m·K Metal Oxide +200°C -40°C Powdered Metal Oxides, Silicone Oil -40 → +200 °C -
RS Stock No. 707-4736
BrandRS PRO
€19.76
Each
units
5W/m·K Silicone +180°C -40°C - -40 → +180 °C -
RS Stock No. 301-2826
Mfr. Part No.HTSP50T
€41.63
Each
units
3W/m·K Silicone +200°C -50°C - -50 → +200 °C -
RS Stock No. 300-8489
Mfr. Part No.HTCP20S
€18.86
Each
units
2.5W/m·K Non-Silicone +130°C -50°C - -50 → +130 °C -
RS Stock No. 915-6118
BrandRS PRO
€18.75
Each
units
4W/m·K Non-Silicone +150°C -50°C - -50 → +153 °C -
RS Stock No. 774-2691
Mfr. Part No.WLPK 10
€34.29
Each
units
- Ceramic Synthetic Fluid - - - - -
RS Stock No. 112-7229
Mfr. Part No.HTC10S
€4.95
Each
units
0.9W/m·K Non-Silicone +130°C -50°C - -50 → +130 °C -
RS Stock No. 301-2810
Mfr. Part No.HTS35SL
€12.12
Each
units
0.9W/m·K Silicone +200°C -50°C - -50 → +200 °C -
RS Stock No. 665-4855
Mfr. Part No.CW7250
€12.54
Each
units
1.85W/m·K Boron Nitride +200°C -73°C - -73 → +200 °C -
RS Stock No. 277-8200
Mfr. Part No.CT40-5
€28.87
Each
units
0.63W/m·K Silicone +200°C -73°C - -73 → +200 °C -
RS Stock No. 774-2697
Mfr. Part No.WLPK 05
€33.54
Each
units
- Ceramic Synthetic Fluid - - - - -
RS Stock No. 665-4846
Mfr. Part No.CW7270
€11.37
Each
units
0.71W/m·K Non-Silicone +200°C -15°C - -15 → +200 °C -
RS Stock No. 915-6105
BrandRS PRO
€14.57
Each
units
2W/m·K Non-Silicone +150°C -50°C - -50 → +150 °C -
RS Stock No. 915-6109
BrandRS PRO
€106.12
Each
units
2W/m·K Non-Silicone +150°C -50°C - -50 → +151 °C -
RS Stock No. 300-8502
Mfr. Part No.HTCP700G
€222.03
Each
units
2.5W/m·K Non-Silicone +130°C -50°C - -50 → +130 °C -
RS Stock No. 362-9698
Mfr. Part No.GF2000-00-15-50CC
BrandBergquist
€150.64
Each
units
2W/m·K Gap Filler 2000 +200°C -60°C - -60 → +200 °C -
RS Stock No. 113-0455
Mfr. Part No.HTC35SL
€12.12
Each
units
0.9W/m·K Non-Silicone +130°C -50°C - -50 → +130 °C -
RS Stock No. 707-4733
BrandRS PRO
€12.52
Each
units
1.8W/m·K Silicone +180°C -40°C - -40 → +180 °C -
Related Products
RS PRO 1805306 Silicone Thermal Interface Grease 1.4W/mK. ...
Description:
RS PRO 1805306 Silicone Thermal Interface Grease 1.4W/mK. high performancegood thermal conductivityeasy to assemblehigh stabiltydoes not harden with time. ApplicationsDisplays, lighting protection. PDP TV, LCD CCFL and LCD LED display backlight, LED signage, projectors and new display technology. Consumer and ...
RS PRO 1805307 Silicone Thermal Interface Grease 2.7W/mK. ...
Description:
RS PRO 1805307 Silicone Thermal Interface Grease 2.7W/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. ...
RS PRO 1805309 Silicone Thermal Interface Grease 5.2W/mK. ...
Description:
RS PRO 1805309 Silicone Thermal Interface Grease 5.2W/mK. 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 display technology. ...
RS PRO 1805312 Silicone Thermal Interface Grease 3.9W/mK. ...
Description:
RS PRO 1805312 Silicone Thermal Interface Grease 3.9W/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 ...