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Special Applicators

Article No. 2120

Step Gap Frame
Film Applicator with 4x4 Gap Clearances

This applicator produces film thickness increasing step by step - an easy way to evaluate opacity based on film thickness variation.

  • Each edge has four gap clearances
  • The frame has four edges for a total of 16 gap clearances
  • The frame is made of high grade stainless steel

Select your model


Click here for the Chinese price list in RMB
$1,970.00 €1,735.00 excl. taxes & shipping cost

Technical Attributes

    Technical Properties

  • Gap Clearance

    25, 50, 75 & 100 µm

    50, 100, 150 & 200 µm

    150, 200, 250 & 300 µm

    300, 350, 400 & 450 µm

  • Film Width
    4 x 2.5 cm


  • Place substrate to be coated on smooth surface
  • Place film applicator with desired gap depth on substrate
  • Pour coating in front of gap in pulling direction
  • Pull at uniform speed (approx. 25 mm/s)
  • Put applicator immediately into diluted cleaning solvent and clean with brush
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