Premium oxygen-free copper foil in two grades, C10100 and C10200 in custom slit rolls and cut-to-size sheets. 
Gauges: .0005" to 0.0079"Alloys: C10100 99.99% Oxygen Free; vacuum/cryogenic; excellent conductivity; C10200 99.95% Oxygen Free; ductile, bus bars, exchangersTempers: AnnealedCore Size: (I.D.) 3" to 6"Widths: .100" to 12"Applications: Electrical, Manufacturing and R&D