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1. Performance characteristics
Compared with thermal pads, thermally conductive gel are softer and have a better surface affinity. They can be compressed to a very low thickness, which significantly improves the heat transfer efficiency. The lower can be compressed to 0.08mm. At 0.08 ° C · in2 / W-0.3 ° C · in2 / W, some properties of silicone grease can be reached.
In addition, the thermal gel has almost no hardness and will not cause internal stress on the device after use.
Thermal gel is easier to handle than thermal grease. The general use of silicone grease is screen printing or steel plate printing, or direct brush coating, which is very unfriendly to the user and the environment. Due to its thixotropic material, the thickness range can be 0.08-2.0mm.
The thermally conductive gel is arbitrarily formed into the desired shape, which can ensure good contact for uneven PCB boards and irregular devices (such as batteries, component corners, etc.).
The thermally conductive gel has a certain degree of adhesion, and there is no problem of oil out and drying, and it has certain advantages in reliability
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