Our soft electrical insulators
In all electrical equipment, there is a need for electrical insulation. The name “Electrical Flexible Insulators” corresponds to an insulator less than 1mm thick.
These materials must also have characteristics:
- Dimensions: thickness, smoothest possible surface finish for automatic insertion, grammage (or surface weight), resin content.
- Mechanical: rigidity (for an automatic or manual insertion requirement), tearing (initiated or not), traction (longitudinal or transverse) which is the parameter for measuring aging over time.
- Thermal: the greatest possible thermal conductivity, the rise in temperature must never alter all the properties of electrical insulation, but also mechanical.
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Thermal Classes:
The thermic class of an electrotechnical product such as a transformer, for example, determines the maximum temperature at which insulators materials and insulation systems guarantee thermal stability against aging. The thermal classes and the temperatures assigned to them are listed in the table below. These temperatures are the actual insulation temperatures and not the transformer temperature rises or the maximum ambient temperature.