Premium oxygen-free copper sheet in two grades, C10100 and C10200 in cut-to-length rolls and strip slit as narrow as .500".   
Gauges: 0.010" to 0.125"Alloys: C101 99.99% Oxygen Free; vacuum/cryogenic; excellent conductivity; C10200 99.95% Oxygen Free; ductile; bus bars, exchangersTempers: Annealed 1/4-Hard, 1/2-Hard, 3/4-Hard, Full Hard, Hard as RolledFinishes: Bare/Standard, Hot Tin Dipped, Electroplaed and Tin PlatedCore Size (I.D.): 3" to 20"Widths: .100" to .48"Applications: Electrical, Manufacturing and R&D