Aluminum Nickel Composite Strip for Battery TabWidth: 4 mm, Thickness: 0.1 mm, 1 Roll:1 kgTechnical Properties:Purity of Aluminum≥99.5%Purity of Nickel≥99.6%Aluminum and Nickel Alloy Ratio1:2Width4 mmThickness0.1 mmTolerance±0.0005 mmApplications:Aluminum Nickel Composite St..