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Type of paper

A paper suitable for use as insulation on wire or cable. It is usually made from manila rope hemp or sulphate pulp. Because of the narrow widths about 0.8 mm at the minimum, it must have sufficient strength to withstand the high speed bending and winding operations both during manufacture and use of the cable or wire. The thickness range from 0.015 mm to 0.22 mm. The paper should be free from foreign materials having high dielectric strength and low power factor. These are especially important at higher voltage. Good stability under dry heat and subsequent treatment with insulating liquids, high machine direction tensile strength and cross-machine direction tearing strength are necessary.

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