Gravure

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Snowflaking

Problem:

Stock is too rough.

Solution:

Use electrostatic assist with (polar solvents).

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Problem:

Ink viscosity is too high.

Solution:

Reduce ink viscosity.

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Problem:

Ink is drying too fast.

Solution:

Add slower drying solvents to the ink or adjust print speed to ink drying rate.

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Problem:

Substrate is too cold.

Solution:

Check substrate for proper smoothness or moisture content and temperature.

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Problem:

Impression is too light.

Solution:

Increase impression. Verify correct roller durometer. Ensure uniform pressure across web.

*The solutions provided from the troubleshooting guide are general in nature, please contact or your sales or technical representative to discuss specific issues.

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

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