Product series:af-250 Rated temperature:- 65 c to + 250 Rated voltage:600v Test voltage:1000v Insulation material:pfa Conductor material:silver or nickel plated copper Product standards:q/xgs130-2006 Model description Af-250: silver plating copper, pfa insulated lead wire Afkp-250:silver plating copper, pfa insulated shielding lead wire Afkph-200:copper, ptfe tap wrapped insulated shielding pfa jacket wire&cable