... maximum operational reliability. To providesinsulation protection for cable terminal, load-break switches,power circuit breakers, etc. Halogen free Minimum fully ... after agingASTM D 2671/120°C,168hrs.≥10MPaElongation at break after agingASTM D 2671/120°C,168hrs.≥350% ... Dielectric strengthIEC 243≥15KV /mmTracking resistanceASTM D 23033.75KV ,1hr, PassDielectric constantIEC ...