Description

High-Performance Copper Foil Rolls for Lithium Ion Battery

Size: 25 µm, 1 Roll: 2500 grams

Technical Properties: 

Width		200 mm
Length		131 meters
Thickness		25 µm
Areal Density		190-200 g/m2
Purity (%) More than 99.9%		Cu ≥99.9%
		Fe < 0.0010%
		Bi < 0.00020%
		Pb < 0.0005%
Tensile Strength		≥294 MPa
Normal Elongation		2.5 %
High Temperature Tensile Strength @ 180℃		≥147 MPa
High Temperature Elongation @ 180℃		2 %
Anti Oxidization (@ 180℃ Heating 1h)		No oxidation of points on the surface,The color does not change,Copper  foil without fracture
Surface Roughness Rz	Drum Side	Less than 0.3 µm
	Matte Side	Less than 3.0 µm
Surface Tension	Drum Side	62 dyne/cm
	Matte Side	62 dyne/cm
Coating Performance		Copper foil with uniform tension on both sides, slurry coating uniformity