Lithium Battery Rolled Copper Foil

Product Data

Electrical high-precision Rolled Copper Foil Property:

Classification		Unit	Data
Thickness		mm	0.007	0.01	0.012
Cu content		%	≥99.90	≥99.90	≥99.90
Thickness weigh		g/㎡	65±10.5	95±10.5	105±10.5
Surface roughness（Double sided R）		μm	≤0.17	≤0.17	≤0.17
State	Strength of extension	Mpa	≥345	≥350	≥350
State	Elongation	%	≥0.5	≥0.5	≥0.5
Conductivity		20℃ IACS	≥95%	≥95%	≥95%
Resistance to high temperature oxidation（160℃ 1小时）		----	PASS	PASS	PASS

The company can provide the nominal thickness of 6 ~ 12 mm different thickness of the FPC special copper foil.

We can produce the copper foil within the width of 650mm according to the customer's requirement.

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Electrical high-precision Rolled Copper Foil Performance:

Leading indicator	Rolled copper foil	Electrolytic copper foil
Produce Method	Physical rolling	Chemical electrolysis
Precision of equipment	High	Higher
Purity of copper	High	Higher
Hardness	High	Higher
Tenacity	Good	Better
Bending resistance	Good	Better
Elastic coefficient	High	Higher
Density	High	Higher
Ductility	High	Higher
Crystalline texture	The organization of rolling	Copper particle acicular crystal
Surface	Smooth	Rough
Appearance consistency	Good	Good