Gravure

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Picking

Problem:

Ink is drying too slowly.

Solution:

Add faster drying solvent.

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Problem:

Oven temperature is not high enough.

Solution:

Increase heat and air velocity.

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Problem:

Ink viscosity is too high.

Solution:

Reduce ink viscosity with thinned extender varnish or solvent.

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Problem:

Idler rolls are dirty or tacky.

Solution:

Clean idler rolls and/or wrap with a non stick material such as Teflon.

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Problem:

Web is rewound too warm.

Solution:

Reduce chill roll temperature.

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Problem:

Re-work is “worn out”; resin balance is poor

Solution:

Remake ink or refresh in sump.

Information about Sun Chemical

Sun Chemical offers a broad portfolio of inks, coatings, color software and brand color management for gravure printing.

Learn About Sun Chemical's Printing Solutions for Gravure