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Cyclo olefin copolymer

A multifunctional transparent resin (cyclo olefin copolymer) independently developed by Mitsui Chemicals

  • Transparent
  • High refractive index, low birefringence
  • Stable dimensions
  • Resistant to chemicals
  • Resistant to heat and stiff
  • Superior moldability
  • Moisture-proof

Details of applications

Optical applications

APEL is ideal for optical plastic lenses that need to have a low level of birefringence, a high refractive index, transparency, and high dimensional accuracy.

  • Image pickup lenses for mobile phones
  • Image pickup lenses for digital cameras
  • Pickup lenses for optical disks
  • F-theta (fθ) lenses for laser beam printers
  • Lenses for projectors

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Medical applications

APEL is used in PTP sheets that need to be very resistant to moisture. Enabling gamma-ray sterilization and autoclave sterilization, it has also been adopted for cell containers for analysis, as they must be resistant to chemicals and have non-attachment characteristics.

  • PTP sheets for pills
  • Pre-filled syringes
  • Bottles for medicine
  • Bottles for cosmetics
  • Cells for analysis




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Packaging applications

APEL is perfect for packaging films and other applications that have to be tearable and shrinkable.

  • Shrink tubes and shrink films
  • Easy-cut films for food packages


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Other applications

APEL is used for precision-formed products, which benefit from its low water absorption properties and chemical resistance.

  • Electrical and electronic components
  • Containers for transport of electronic components
  • Pump components