Item

Standard 1

Standard 2

hardness

H18

H18

width

Standard width ±0.1mm

Standard width ±0.1mm

Thickness

0.016±0.001 mm

0.012±0.001mm

areal density

42~46g/ m2

30~34g/m2

With transverse surface density uniformity

≤0.003 g/ 40×40 mm

≤0.003 g/ 40×40 mm

The same volume of vertical surface density uniformity

≤0.03 g/ 400×40 mm

≤0.03 g/ 400×40 mm

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

No oxidation

No oxidation

Connect no

<2

<2

Chemistry content(Al)

>99.45%

>99.45%

extensibility

<0.5%

<0.5%

Normal temperature Tensile strength kgf/mm2

>180

>140

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

>160

>120

Coating performance

Aluminum foil with uniform tension on both sides, slurry coating uniformity