Mpempe akwụkwọ Mica nwere ezigbo ọkụ eletrik na akụrụngwa, nguzogide okpomọkụ, nkwụsi ike kemịkalụ na ezigbo nguzogide corona.Enwere ike bee ya n'ime flakes dị nro na nke na-agbanwe na ọkpụrụkpụ nke 0.01 ruo 0.03 mm.
A na-ejikarị Mica ibe eme ihe na ọkpọkọ eletrọnịkị, akụkụ stamping, ụlọ ọrụ ụgbọ elu na ibe capacitor maka ụlọ ọrụ redio, ibe igwe maka nrụpụta moto, ibe nkọwa maka ngwa eletriki kwa ụbọchị, ekwentị, ọkụ, wdg.