Composite pini insulator, inonziwo polymeric pini insulator kana polymeric mutsara post insulator, ine insulating core-fiberglass tsvimbo inodzivirirwa neimba (HTV Silicone Rubber) inoitirwa kuiswa yakasimba pachigadziro chinotsigira kuburikidza nepini inopfuura kumusoro mukati me dzimba dzinoumbika kana kukandirwa nedenderedzwa remakona maitiro. chigadzirwa zvinhu: Iyo inosanganisa insulator inoitwa yekudzivirira tsvimbo, silicon tsvimbo glue sleeve uye ese ari maviri magumo ezve fittings.