A na-eme ka igwe eletrik na-emepụta ihe na-emepụta ihe na-eme ka ọ bụrụ nke multi-layer composite nke okpomọkụ dị elu nke ejiri ihe nkiri polyester kpuchie ya.Ọ nwere ezigbo ihe eji arụ ọrụ, ihe ọkụ eletrik, mbelata, hygroscopicity na nguzogide okpomọkụ a pụrụ ịdabere na ya.A na-ejikarị ya eme ihe maka ntụgharị ọkụ dị elu na obere voltaji.Mkpuchi n'etiti coils, nwere ike iji dị ka ihe mkpuchi cylinder na njedebe mkpuchi kama epoxy resin board, phenolic resin board.
