... or 450°cConductor:Nickel CopperInsulation:Mica tape with lappingJacket: Fiberglass Use: For kinds of electric installation for metallurgy,hot work,Petroleum,chemical ... industry, natural gas,kerosene,etc. special environmentsProperty:Suitable for rated voltage not more than 600V,rated temperature not ... minitesOpposite temperature: 65% can use under bending and fire,no toxic and harmful gases