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What happens when the thermal paste dries out? Is it still effective in conducting heat?

Although thermal paste is classified as a chemical, it is not corrosive to metals, plastics, ceramics, and other substrates and is not released as a volatile substance when applied to electrical substrates.
What happened when the thermal paste dried up?
1, The thermal conductivity paste dry situation, the first analysis is the surface dry or has dried up if the surface appears slightly dry, this situation belongs to the normal situation, even if the big brand of products in the use of the process will also appear oil away from the differentiation, the surface will have a slight dry.
2, Thermal paste dry and may also be due to poor quality, the main raw material of thermal paste is silicone, and then add some heat-resistant, thermally conductive materials, to have the role of thermal conductivity. Poor quality may use cheaper raw materials, after using a period will become dry, then the thermal conductivity effect is seriously threatened, it is not recommended to buy such products.
Does the thermal paste still conduct heat after it has dried out?
If the thermal paste is only slightly dry and no cracks appear, then the thermal conductivity will still be there. If the thermal paste has dried out more severely, has dried out severely, and even has multiple cracks, then there is no thermal conductivity. This is because the role of the thermal paste is to fill the gaps so that the electrical heating body and the radiator are in full contact and the heat generated is transferred out as far as possible.

Thermal paste is a common kind of heat dissipation material, this kind of heat dissipation cuisine is not only used in electrical appliances, has been widely used in electronic instruments, instruments and other fields, the price and brand and thermal conductivity index, the same brand of thermal paste, the thermal conductivity coefficient is different, the price is not the same.

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