Browse Categories

DNP Aluminum Laminated Film for Pouch Cell Case - DNP-ALF

Product Options

The DNP aluminum laminated film (91 um) is used as a casing material for the polymer Li-Ion battery, which is made in Japan

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 μ± 10% 
Width and Length DNP-ALF30: 120 mm ± 0.5 mm x 30m
DNP-ALF50: 400 mm ± 0.5 mm x 50m
DNP-ALF300: 400 mm ± 0.5 mm x 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 Aluminum
SDS for Carbon Black
Application Notes & Video

Click the picture below to see the finished polymer Li-Ion battery made by the heated sealer

Related Products

Shopping Cart
Your cart is empty.
Please clear the browsing history before ordering the product. Otherwise, availability and price are not guaranteed.
Mailing Lists
MTI sponsorships:
MTI Sponsors Thermoelectrics Workshop

MTI-UCSD Battery Fabrication Lab

MTI Sponsors the Postdoctoral Awards

Upcoming Shows:

COMBI 2022 September 26 - 30 Golden CO

242nd ECS Meeting October 9 - 13 Atlanta GA Booth 200

2022 MRS Fall Meeting Nov 27 - Dec 2 Boston MA

Recent Attended Shows:
John Goodenough 100th Birthday Symposium

2022 MRS Spring Meeting May 8 - 13 Honolulu Hawaii Booth 209

Click here to see our past conferences


1. Prices listed online are valid for the US market and who pay by credit card only. There will be extra charges for shipping & handling. Price various from country to country.
2. We may add extra charges for paper order and net30 terms due to extra labor costs.
3. The prices listed are subject to change without notice.