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High quality aluminium foil
Minute distribution of Al-Fe compounds and crystal grains facilitates this extremely durable foil with high tensile strength.
Characteristics
Thinner than other foils of equivalent strength
High durability and tensile strength with very few pinhole defects
Smooth foil surfaces yielding easy to read letters and designs
Specifications
Chemical constituents
Product JIS Si Fe Cu Mn Mg Zn others Al
High quality aluminium foil 8021 ≦0.15 1.2≦
≦1.7		 ≦0.05 ≦0.05 ≦0.05 ≦0.05 ≦0.05 remainder
Conventional foil 1N30 Si+Fe≦0.7 ≦0.05 ≦0.05 ≦0.05 ≦0.05    
Size to order (50-1200mm width) with optional gloss surface treatment
Thickness 7～60μm 12～60μm 60～150μm
Gloss one side one side/both sides both sides
Width 50～1200mm
Characteristics
Crystal grain structure, surface roughness
  High quality aluminium foil Conventional foil
Crystal grain diameter
Roughness
As crystal grains are minute in size, the surface looks smoother or whiter, therefore the lettering is clear.
Distribution of crystal and educts on slit surface
High quality aluminium foil Conventional foil
Very little crystal educts yielding less undulation on layered surface, resulting in very few pinholes.
Tensile strength
Pin-hole
High malleability and high corrosion resistance
The result of salt spray tests and accelerated high temperature/humidity tests show that the corrosion resistance of this high quality foil is equivalent or superior to conventional materials.
Applications
Packaging for food and daily commodities
Pharmaceutical packaging
Battery tab materials, and others