Composite aluminum foil is a new-type of battery current collector, which has thinner aluminum film, overall lighter weight, and higher safety during penetration expeiriment compared to the conventional rolling aluminum foil.

• Material:                                    Aluminum, Purity > 99.99%
• Length:                                     50m
• Width:                                       180 or 280 mm
• Thickness:                                8 μm
  
• Tensile Strength:                      ≥40 Mpa
• Peel strength:                           ≥ 0.5 Kgf/cm
• Shiny Side Roughness (RA):    0.14 μm
• Shiny Side Roughness (RZ):    1.4 μm
• Rough Side Roughness (RA):   0.14 μm
• Rough Side Roughness (RZ):   1.4 μm 
• Sold in roll only and shipped in a vacuum bag.
• Click here to download the product datasheet. 
• Click here to download the SDS.
• Click the video below to see the battery cathode coated by MTI's Film coater MSK-AFA-II-VC

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