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How to distinguish thermal silicone grease from thermal silicone

People who don't contact this industry believe that they may think that thermal conductive silica gel and thermal conductive silicone grease are the same product. In fact, they are not the same. Although there is only one word difference, there is a huge difference. Although they are all thermal conductive materials, their performance is still different. Let's distinguish between thermal conductive silica gel and thermal conductive silicone grease.

Conductive silica gel

Thermal conductive silica gel, also known as electronic silica gel, can be cured at room temperature, but its thermal conductivity is slightly weaker than that of thermal conductive silicone grease, but its adhesive performance is much stronger. It is widely used in elastic bonding, heat dissipation, insulation and sealing of electronic and electrical industries. The following are the advantages of heat-conducting silica gel:

1. Good thermal conductivity and insulation, improve the reliability of sensitive circuits and components, and extend the service life.

2. Insulation, shock absorption, impact resistance, wide range of working temperature and humidity (- 50 ℃ ~ + 180 ℃).

3. Weather resistance, chemical corrosion resistance and heat resistance

4. Outdoor application can avoid the adverse effects of ultraviolet, ozone, water and chemicals.

Thermal silicone grease

Thermal conductive silicone grease is used for gap filling and heat transfer between chips such as high-power transistors, switch tubes, integrated circuits and heat sinks. It has excellent thermal conductivity, high temperature resistance, anti-aging, waterproof, insulation and other characteristics. It is insoluble in water, not easy to oxidize, and has excellent electrical insulation properties. It protects the circuit while improving heat conduction and improves the stability of the circuit. Thermal conductive silicone grease is a kind of thermal conductive material widely used in electronic and electrical industry. Here are the advantages of thermal silicone grease

1. It can work in the temperature range of - 50 ~ 300 ℃ for a long time. When the temperature changes, its consistency changes very little, showing that it does not melt at high temperature, does not harden and does not freeze at low temperature

2. It has no corrosive effect on iron, steel, aluminum and many kinds of synthetic materials; it does not swell plastics and rubber

3. Non toxic and tasteless.


Although the properties of heat-conducting silica gel and heat-conducting silicone grease are similar, and the manufacturing process is similar, only a kind of adhesive material is added into the formula to make it have better adhesive properties. But there are differences between the two. The two should not be confused and misused

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