| http://www.w3.org/ns/prov#value | - Furthermore, by the incorporation of appropriate fillers, e.g. carbon black, the compositions may be rendered semiconducting or conducting and in such form are particularly suitable as semi-conductive or conductive polymers for use in electrical heating materials, e.g. in the form of heating tapes, strips or panels, in the electrical screening of electrical power cables or in the electrical stress
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