Abstract

We characterise extant and novel formulations of electrical wire coating materials based on nylons. The materials are for coating commercial grade 600 V copper wire and are evaluated in terms of thermophysical properties, tensile behaviour, static and dynamic friction values and also wear rates from pin on disc tribometry. We study several preparations, i.e. containing various additives, obtained by twin screw mixing followed by pelletising and then compression moulding. Some of our preparations provide lower friction values as well as lower wear rates than the standard commercial nylon compositions.

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