Composite pin insulator, tseem hu ua polymeric tus pin insulator lossis polymeric kab post insulator, muaj cov kab hluav taws xob tiv thaiv-fiberglass pas nrig tiv thaiv los ntawm vaj tsev (HTV Silicone Roj Hmab) npaj los ua kom nruj ntawm cov qauv kev txhawb nqa los ntawm txoj kev siv tus pin hla sab hauv tsev nyob uas muaj puab lossis nrum hlau los ntawm txoj kev ua raws cov txheej txheem. cov khoom lag luam: Cov ntxig hluav taws xob yog tsim los ntawm cov kab hluav taws xob insulating, silicon pas nrig lub tes tsho thiab ob qho kawg ntawm cov fittings.