Why use nonwovens in electrics and electronics?

The structure of nonwovens gives strength and elasticity. Nonwovens insulating tape can therefore stand the stress applied during the wrapping process as well as that which arises from varying degrees of cable dimension and flexibility in use.

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Different uses are:

Power cables
Communications cables

Industrial cables
Fuel cells
Battery separators
Cable wrapping

For example:

Thanks to nonwovens a water-blocking tape can be designed to be conductive or non-conducive and is impregnated with a powder which expands on contact with water. The expansion prevents water seeping along the cable.
The high porosity which can be achieved in nonwovens is an important factor, as a thermal barrier can be established by means of air trapped between fibres. Conductivity can be obtained by carbon impregnation of the porous structure.

The advantages of using nonwovens in electrics and electronics

High porosity
Tensile strength
Flexibility
Compressibility
Electrical resistance
Resistance to aging and variations of temperature

Nonwovens technologies used in electrics and electronics

More information on nonwovens test methods

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