Indwangu engeyona eyelukiwe inokumelana nokushisa okuphezulu, i-impregnation enhle kakhulu kanye nezakhiwo ze-dielectric, i-uniform kanye ne-flat surface, ukuchezuka kokuqina okuncane kanye namandla aphezulu;ifilimu ye-PET polyester emhlophe emhlophe isiphumelele isitifiketi se-UL e-US;, icutshungulwe yaba imininingwane ehlukahlukene yongqimba oluyizibuthe lwe-insulation nge-slitting tape.
