... high-temperature,fast to rising temperature,long time usage,resistance stable,low power the distace is uniform after ... bright surface,mainly used in small electric furmace,muffle furnace, heating air condition equipment,various types of ovens, ... to 10mmcertificate:ISOusage life:10 yearresistance:10 ohmspecification:5mminsulation resistance:more than 15m ohmstandard voltage:1800V/minGYY60-220/120Cr25Al5 ...