Kaladex® 2000

Image of Kaladex® 2000 hazy PEN film

Kaladex® 2000 is a hazy, uncoated polyester PEN film and is considered the standard PEN film in the Kaladex® line, whereas Kaladex® 2000L offers superior shrink resistance.

Kaladex® is a polyethylene-naphthalate (PEN) film manufactured by Mylar® Specialty Films (formerly DuPont Teijin Films™). Originally introduced in 1992, Kaladex® polyester PEN film is better equipped for harsh environment applications than traditional PET and has many superior properties such as heat resistance, UV resistance, moisture and oxygen barrier, and more. 

It also serves as a cost-effective alternative to specialty engineered films like polyimides. Kaladex® is used in frontsheets, backsheets, and electrodes within solar cells, hi-fi speaker diaphragms, electrical insulation in high temperature environments like electric vehicle batteries, fuel cells, motors, capacitors, transformers, flat flexible cables, and flexible printed circuitry, and more.

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  • Kaladex® 2000 0.6 mil (16 micron)
  • Kaladex® 2000 1 mil (25 micron)
  • Kaladex® 2000 1.5 mil (38 micron)
  • Kaladex® 2000 2 mil (50 micron)
  • Kaladex® 2000 3 mil (75 micron)
  • Kaladex® 2000 4 mil (100 micron)
  • Kaladex® 2000 5 mil (125 micron)


  • Strong heat resistance
  • Inherent screening of non-visible UV radiation below 380 nm
  • Excellent moisture and oxygen barrier properties
  • Good dielectric properties
  • High dimensional stability
  • Superior strength and stiffness
  • Anti-hydrolysis
  • Low oligomer extraction
  • Good chemical resistance
  • Excellent handling properties

Typical Applications

  • Electrical insulation in high temperature environments
  • Solar cell frontsheets, backsheets, and electrodes
  • Automotive batteries & fuel cells
  • Hi-fi speaker diaphragms/cones
  • Thin film deposition substrate for electrodes and touch displays
  • High temperature motors, capacitors, and transformers
  • Flat flexible cables
  • Flexible printed circuitry
Data Sheets & Summary Sheets

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