... the aluminum strip is instead of cooper strip now.Specification: ProductAluminum stripSpecificationThickness (mm):0.01-5.0Max Width (mm):10-1500Alloy1050,1060,1100,3003 ... HApplicationcopolymer coated aluminum tape, electric cable, optical cable, transformer, heater, shutters, etc.StandardYS/T91, GB/T3880, GJB1541, GJB2662, ASTM China 3003 Alloy Aluminum Strip