The DNP aluminum laminated film (91 um) is used as a casing material for the polymer Li-Ion battery, which is made in JapanSpecifications Layers by Layer Matte Ink Layer: 3.0 g /m^2 ± 0.5 g/m^2 Biaxially Oriented Nylon (ONy); 6-Nylon: 15 um ± 10% Adhesive Layer (Carbon Black Mixed): 3.8 g/m^2 ± 1.5 g/m^2 Mat Surface (Treatment Layer) Soft Aluminum Foil (ALM): 8021 or 8079; 35 um ± 10%Glossy Surface (Treatment Layer)Adhesive Resin Layer (PPa): Acid-modified PP;20 um ± 10%Polypropylene (PP): 15 um ± 10% Glossy Surface (Treatment Layer) Adhesive Resin Layer (PPa): Acid-modified PP;20 um ± 10% Polypropylene (PP): 15 um ± 10% Thickness 91 μm ± 10% Width and Length DNP-ALF30: Width 120 mm ± 0.5 mm x Length 30m DNP-ALF50: Width 400 mm ± 0.5 mm x Length 50m DNP-ALF300: Width 400 mm ± 0.5 mm x Length 300m Heat Seal Strength 30 N / 15 mm or more Laminate Strength ONy / ALM 3.0 N / 15 mm or more Laminate Strength ALM / PP 5.0 N / 15 mm or more Electrolyte Resistance ALM / PP 4.0 N / 15 mm or more Dip Brazing 85°C, 24 hours Surface quality Mat finish Fish Eye 2mm or less in diameter (clear) 1mm or less in diameter (colored) Molding Depth < 8.0mm Electrical Insulating Good Hot Sealing Condition 180-190°C Moisture Vapor / O2 Transmission Rate 200ppm / 5 years Solvent Retention Less than 5mg/m2 Appearance Within the sample of the limit Slip Factor CPP/CPP less than 1.0 SDS SDS for AluminumSDS for Carbon Black Application Notes & Video Click the picture below to see the finished polymer Li-Ion battery made by the heated sealer