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    Thermal Grease

    Thermal paste, also known as thermal compound or thermal grease, is a substance used in computer systems to improve the thermal conductivity between a heat-generating component, such as a central processing unit (CPU), and its heat sink. Its primary purpose is to fill in microscopic gaps and imperfections between the mating surfaces of the component and the heat sink, which helps to maximize the transfer of heat from the component to the heat sink.

    When a computer component, such as a CPU, operates, it generates heat. To prevent overheating, a heat sink is typically attached to the component. The heat sink absorbs the heat and dissipates it into the surrounding environment. However, the surfaces of the component and the heat sink are not perfectly smooth, and air can become trapped in the gaps and imperfections between them. Air is a poor conductor of heat, so the presence of air pockets can hinder the efficient transfer of heat.

    Thermal paste fills in these gaps and improves the contact between the two surfaces, creating a more efficient thermal pathway for heat to flow from the component to the heat sink. It typically consists of a combination of thermally conductive particles suspended in a silicone-based or metal-based compound. The thermally conductive particles, such as metal oxides, enhance the thermal conductivity of the paste.

    When applying thermal paste, a small amount is usually spread evenly over the surface of the heat-generating component. The heat sink is then placed on top, allowing the paste to spread and fill any gaps as the two surfaces are pressed together. This helps to eliminate air pockets and improve thermal transfer.

    What are the benefits of using thermal grease?

    The application of thermal grease offers several benefits in computer systems and other electronic devices:

    Improved thermal conductivity: The primary benefit of thermal paste is the enhancement of thermal conductivity between a heat-generating component and a heat sink. By filling in gaps and imperfections, thermal paste creates a more effective transfer of heat from the component to the heat sink.

    Reduced temperature: Efficient thermal conductivity leads to lower temperatures for the heat-generating component. When the heat is effectively dissipated through the heat sink, the component can maintain optimal operating temperatures.

    Prevention of air pockets: Air pockets or gaps between the component and the heat sink hinder the transfer of heat. Thermal paste eliminates these air pockets by filling in the microscopic imperfections and creating a continuous thermal pathway.

    Even distribution of pressure: Thermal paste acts as a cushioning material between the component and the heat sink. It helps to ensure even distribution of pressure across the mating surfaces, avoiding uneven contact and potential damage.

    Easy installation and removal: Thermal paste is relatively easy to apply and remove. It usually comes in a syringe or small container, and a thin layer can be evenly spread on the component using a thermal paste applicator or other suitable tools.

    Applications

    • Computer CPUs
    • Graphics Processing Units (GPUs)
    • Chipsets
    • Power Transistors
    • LED Lighting
    • Overclocking and Custom Cooling Solutions

    37 Products showing for Thermal Grease

    • RS Stock No. 206-5711
    Each
    MYR387.00
    RS PRO
    9W/m·K
    -
    -
    -
    20g
    -
    Each
    MYR715.20
    RS PRO
    2W/m·K
    Non-Silicone
    +150°C
    -50°C
    1kg
    -
    Each
    MYR924.28
    RS PRO
    3W/m·K
    Silicone
    +200°C
    -50°C
    1kg
    Grease
    • RS Stock No. 206-5708
    Each
    MYR971.64
    RS PRO
    4.5W/m·K
    -
    -
    -
    1kg
    -
    • RS Stock No. 206-5715
    Each
    MYR190.83
    RS PRO
    8W/m·K
    -
    -
    -
    50g
    -
    Each
    MYR1,313.36
    RS PRO
    4W/m·K
    Non-Silicone
    +150°C
    -50°C
    1 kg
    -
    Each
    MYR86.72
    RS PRO
    2W/m·K
    Silicone
    +200°C
    -40°C
    30 ml
    Grease
    • RS Stock No. 206-5713
    Each
    MYR431.32
    RS PRO
    11W/m·K
    -
    -
    -
    20g
    -
    • RS Stock No. 206-5705
    Each
    MYR304.25
    RS PRO
    1.8W/m·K
    -
    +200°C
    -40°C
    1kg
    -
    • RS Stock No. 206-5709
    Each
    MYR75.43
    RS PRO
    4.5W/m·K
    -
    -
    -
    40g
    -
    • RS Stock No. 206-5710
    Each
    MYR91.15
    RS PRO
    6W/m·K
    -
    -
    -
    20g
    -
    Each
    MYR520.29
    RS PRO
    3.5W/m·K
    Aluminium Oxide
    -
    -
    100g
    Paste
    Each
    MYR480.58
    RS PRO
    7W/m·K
    Silicone
    +200°C
    -50°C
    30 ml
    Thermal Putty
    Each
    MYR100.66
    RS PRO
    2W/m·K
    Non-Silicone
    +150°C
    -50°C
    30g
    -
    Each
    MYR152.38
    RS PRO
    4W/m·K
    Non-Silicone
    +150°C
    -50°C
    30 g
    -
    Each
    MYR96.18
    RS PRO
    3W/m·K
    Silicone
    +200°C
    -40°C
    30 ml
    Grease
    • RS Stock No. 206-5707
    Each
    MYR19.50
    RS PRO
    1.8W/m·K
    -
    -
    -
    40g
    -
    Each
    MYR55.69
    RS PRO
    0.65W/m·K
    Metal Oxide
    +200°C
    -40°C
    20 ml
    -
    Each
    MYR220.37
    RS PRO
    3W/m·K
    Silicone
    +200°C
    -50°C
    55 ml
    Thermal Putty
    Each
    MYR217.88
    Fischer Elektronik
    10W/m·K
    Ceramic Synthetic Fluid
    +150°C
    -60°C
    10 ml
    -
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