Low Birefringent (OC-LB) Film

Grafix Plastics’ OC-LB Grade film is the optical designation for our Acetate film. Our Acetate is a high-clarity, optical-grade polymer film which is a solvent-cast film that is ani-isotropic, meaning it has low internal birefringence < 25nm. It’s combination of availability, environmental friendliness and price point make it an excellent cost effective alternative to TriAcetate (TAC) films, Cast Polycarbonate, and other exotic, and expensive optical films.

For more information on this film, please visit our general Acetate film product page.

Some of the outstanding features of Low Birefringent (OC-LB) Film and Sheets:

  • Anisotropic
  • Ultra clear
  • High gloss surface
  • Low defect count
  • Good dimensional stability
  • High visible light transmission
  • Very low haze
  • Commercially available

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