*Heat-conducting silicone rubber is a kind of heat-conducting medium material which is synthesized by a special process with silicone as the base material and various auxiliary materials such as metal oxides.
Thermally conductive silicone rubber is a polymer composite material with silicone resin as the bonding material and filled with thermally conductive powder to achieve the purpose of thermal conductivity. It contains the following materials:
Silicone resin (basic raw material)
Insulation thermal conductivity filler: aluminum oxide, magnesium oxide, boron nitride, aluminum nitride, beryllium oxide, quartz and other silicone plasticizers
Flame retardant: magnesium hydroxide, aluminum hydroxide
Inorganic coloring agent (color distinction)
Cross-linking agent (bonding performance requirements)
Catalyst (process molding requirements)
*The heat-conducting silicone film only plays the role of thermal conductivity, forming a good thermal path between the heating body and the heat sink parts, together with the heat sink, structural fixings (fan), etc.
Together with the heat sink, structural fixings (fan), etc. to form a thermal module.
Why do you need thermal conductive silicone film?
 *The main purpose of using thermal conductive silicone film is to reduce the contact thermal resistance between the surface of the heat source and the contact surface of the heat sink.
*Thermal conductive silicone film can fill the gap between the contact surface, the air will be squeezed out of the contact surface, air is a poor conductor of heat (thermal conductivity of 0.0267),
Air is a poor conductor of heat (thermal conductivity of 0.0267), will seriously impede the transfer of heat between the contact surfaces; with the supplement of thermal conductive silicone film, can make the contact surface better full contact, truly face-to-face
The contact can be made face to face. The response in temperature can reach the smallest possible temperature difference.

Thermal conductive silicone film performance advantages.
*The range of thermal conductivity and stability
*Bridge the process difference in structure, reduce the process difference requirement of heat sink and thermal structure parts
*Insulation performance
*Sound absorbing effect
*Ease of installation, testing, and reusability   
**Range of thermal conductivity and stability
 Thermally conductive silicone film can be selected from 0.8w/k.m ----8.0w/k.m, and the performance is stable and reliable for long term use.
The highest thermal conductivity of double-sided adhesive does not exceed 1.0w/k-m, and the thermal conductivity is not ideal;
Thermally conductive silicone grease is a room temperature curing process, which is prone to surface drying and cracking at high temperature, unstable performance, easy to volatilize and flow, and the thermal conductivity will gradually decline, which is not conducive to long-term stability.
The thermal conductivity will gradually decline, which is not conducive to long-term reliable system operation.

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