17 Sealant compounds for joints; water-tight rings used for pipes, transformers, electrical reactors, electrical inductors, capacitors, circuit breakers, electric switches, lightening arresters, electrical terminators, insulators for electrical cables; rubber sleeves for protecting parts of machines; carbon fibers, other than for textile use; insulating materials; insulating refractory materials; insulating gloves; insulators for cables; dielectrics being insulators, namely, insulating and protective interlayer dielectric materials and coatings for use in pipes, transformers, electrical reactors, electrical inductors, capacitors, circuit breakers, electric switches, lightening arresters, electrical terminators, insulators for electrical cables; cords of rubber; rubber, raw or semi-worked; synthetic rubber; insulators for electric mains; non-metal gaskets used for pipes, transformers, electrical reactors, electrical inductors, capacitors, circuit breakers, electric switches, lightening arresters, electrical terminators, insulators for electrical cables