CONSISTENT COLOR DENSITY & SHADE

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CONSISTENT COLOR DENSITY & SHADE

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Challenge

  • To achieve consistent colour density /shade for repeat print jobs of Corrugated Box for MNC and Local Brands.

Insight

    Customer issue:
  • Even after using same Anilox specification batch to batch shade difference.
  • In spite of using the same Ink & printing plates, shade variation between master and re-run job

Solution

    Apex Anilox cleaning program:
  • Use of Bioclean Gel for “deep weekly cleaning”& Bio clean Universal for “daily cleaning “ helped maintain the constant cell volume of the Anilox Roll.
  • The cleaning program also helps our customer to avoid ink drying in the Anilox cells thus reducing ink transfer.
  • Uneven cell volume (due to lack of cleaning) was resulting in uneven ink transfer. With constant cell volume customer achieved consistent colour densities.

Results

  • No batch to batch shade variation of repeat print jobs.
  • No wash boarding, very good solid prints.
  • Longer life of printing plates due to very less pressure between the printing plate and impression roll.