Artificial resins, semi-processed; plastics in extruded form for use in manufacture; dielectrics being insulators, namely, plastic materials having high electrical and dielectrical properties for electric wire insulating applications; insulating materials; insulators for electrical cables; semi-processed plastics; rubber, raw or semi-worked; cross-linkable and thermoplastic plastic compounds being insulating materials for wires and cables, pipes and fittings and other applications for use in ...