Paper Packaging

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Dark or Dirty Print Color

Problem:

Ink viscosity is too high.

Solution:

Lower ink viscosity.

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Problem:

Ink colorant concentration too high for press or job configuration.

Solution:

Add extender to the ink. Reduce ink film thickness.

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Problem:

Ink film too thick.

Solution:

Reduce ink film thickness by lowering ink viscosity, increasing ink metering effectiveness, decreasing machine speed or decreasing anilox volume.

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Problem:

Ink contamination from prior color.

Solution:

Thoroughly clean press station and replace ink.

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Problem:

Ink formulation is incorrect.

Solution:

Consult your Sun Chemical representative.

Information about Sun Chemical

Sun Chemical offers a broad ink and coating product portfolio with a wide range of capabilities that include inks, coatings, color software and brand color management for paper packaging.

Learn About Sun Chemical's Solutions for Paper Packaging