Polycarbonate Plastic

Polycarbonate materials are very similar to CR39 materials, although the molecular structure of the lens does differ and contributes to a much more impact resistant material. It is a remarkably strong plastic; in fact, aircraft windshields motorcycle windshields and sport safety glasses are made of polycarbonate.

A good choice for people who engage in outdoor activities and fast-action sports.


  • The most shatter-resistant lenses available.
  • Very lightweight. (approx 27% lighter than CR39)
  • Preferred for oversized lenses to wrap around the face.
  • Highest absorption of UV


  • Naturally very soft material, it must be coated for scratch resistance.
  • Least scratch-resistant material (even with coating).
  • Can not be tinted.
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