How to select the appropriate thermal insulation material
Thermal conductive insulating PAD, also known as thermally conductive silicone tape, is both thermal conductive and insulating like thermal conductive silicone PAD. However, different from the thermal conductive PAD , it can withstand higher breakdown voltage under the condition of limited thickness.
Thermal insulation PAD is widely used in many fields, such as MOS power tubes that need thermal insulation. However, different electrical equipment has different use requirements. When selecting insulating materials, it is necessary to select the appropriate type according to the characteristics of insulating materials. Below performance parameters shoud be considerated:
1. Coefficient of compressibility:
As the thickness of many materials increases after moisture absorption and decreases after drying, it puts forward higher requirements for the compressibility of thermal insulation materials, such as being able to withstand various deformation and shrinkage.
2. Heat resistance:
Thermal conductive insulating materials used in some special occasions have certain requirements for their heat resistance grade. For example, in the application of solar panels, the heat-resistant requirements of thermal insulation materials are high. If the selected thermal insulation materials can not reach the corresponding level, it is likely to shorten the service life of the whole device.
3. Insulation performance:
There are many kinds of thermal insulation materials, and the insulation strength of different materials is different. Actually, we need to have a basic parameter guidance for insulation, and then select the corresponding thermal insulation material according to these parameters.
4.Mechanical properties:
In the field of mechanical equipment, it is inevitable that vibration, pulling or movement will occur in the process of use, which makes it more difficult to use thermal insulation materials for small parts. If the mechanical properties of insulating materials are weak, they are easy to be damaged and weaken their insulating properties. Therefore, when selecting thermal insulation materials, measuring their mechanical properties is also a very important part.
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