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TAC Film for Optical Lenses

Cellulose Triacetate Films (TAC or CTA) are noted for the wide range and versatility of their chemical and physical properties. IPI GmbH started the introduction and development of TAC films into the Polarized Sunglass market and completely substituted and eliminated the CAB (cellulose aceto butyrate).  IPI GmbH offers exclusive development of functional Sunglass TAC film, and currently produces approximately 65 different varieties.

  • Impact resistant glossy surface

  • Resistant to extreme temperatures and high thermal stability

  • Resistant to harsh chemical environments

  • High optical clarity

  • Resistant to grease, oil, aromatic hydrocarbons and most common solvents

  • High dielectric constant

  • Flexibility in form and processing - IPI GmbH's films can be laminated, coated, folded, pressure formed, slit and die-cut.

  • High color conformity and long-term stability, color portfolio: 35 colors in thickness ranges from 80µm up to 275µm

TAC properties include:

Our Production

  • NON UV

  • UV 380, UV 400

    • <10% in 80µm – 275µm

  • PHOTOCHROMATIC

    • TAC Brown and Grey in 180​µm

  • COLORED SG

    • High color conformity and long-term stability, color portfolio: 35 colors in thickness ranges from 80µm up to 275µm, customized colors are possible​

  • SG HC

    • IPI GmbH is in close contact with hardcoating facilities and can provide through these companies a hard coat​

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