Ultra-Hard, Ultra-Thin, Scratch Resistant Clear Hard Coat

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C3Nano’s ActiveGuardHC™ provides excellent scratch resistance, flexibility, and durability with superb optical clarity. It’s compatible with a wide variety of substrates including transparent polyimide (TPI™).


  • Thin coating (5-15 μm) with good scratch resistance, hardness, and flexibility
  • Designed as the hardest coating available on a flexible film, rated up to 6H
  • ActiveGuardHCTM coating is flexible to a bending radius of 2 mm while retaining its ultra-hard properties
  • Minimal impact on optical properties
  • Provides protection for polymer cover lens, enabling lighter, flexible and formable devices when used in place of glass
  • Wide variety of applications including automotive, smart phones, tablets, notebooks and wearables