57mm width Aluminum Foil For 18650 Lithium Battery

Battery Grade Aluminum Foil Tapa For Lithium battery

Item

Data

Width

57mm

Thickness

16±1um

Areal density

30~34g/m2

With transverse surface density uniformity

≤0.003 g/ 40×40 mm 

The same volume of vertical surface density uniformity

≤0.03 g/ 400×40 mm 

High temperature oxidation resistance (200°C*30min)

No oxidation

Connect no

<2

Chemistry content(Al)

>99.45%

Extensibility

<0.5%

Normal temperature Tensile strength

 kgf /mm2

>141

After 1200C baking 1h, Tensile strength kgf/mm2

>122