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Desensitizing Ink

Desensitizing ink is used on carbonless paper forms in areas where no image transfer is desired. For example, the user may need a form where some of the information that they enter on the form appears on the first part but does not transfer through to the second part. The image will not transfer regardless if the form goes through an impact printer, a typewriter, or is handwritten. The ink is applied to the front side of CF (Coated Front) and/or CFB (Coated Front and Back) papers. The ink causes the CF coating to be deactivated or desensitized on CF and CFB papers. When the CF coating is desensitized, it does not allow for an image transfer to take place between CB (Coated Back) and CFB and/or CF papers. The ink is transparent and once it has dried, it is barely detectable on the sheet.

Details to remember when ordering a form with desensitizing ink:

  • Desensitizing ink will not work on the backside of any carbonless paper.
  • It is recommended that desensitizing ink should not be applied to more than 50% of the surface of the form because of the following reasons:
    • The inking systems of many presses cannot lay down ink effectively in large areas that require more ink coverage than the inking system is able to deliver. The desensitized area may not get the necessary ink coverage to work effectively if the area is over 50%.
    • If the area of coverage is over 50%, the desensitizing ink may smear or drag into areas of the form where the ink is not wanted.
  • Desensitizing ink can be on more than one part of a form.
  • Desensitizing ink can be in more than one area of the same part of a form.

 

 

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