Mottled Print Mottled Print

Mottled Print

Mottled Print

Mottled Print

Impression between plate and substrate is too low

Increase plate impression and check print appearance.

Ink out of balance/contaminated

Increase resin solids/refresh ink. Strain ink or remake

Sticky-back tape is too soft

Use hard tape for solid print areas when possible.

Substrate is poor or marginally treated

Check and adjust treatment level or change stocks

Surface of substrate has holes

Check substrate and reduce ink viscosity for better wetting. Consult your substrate supplier.

Surface tension of ink is not low enough to properly flow out on substrate(seen mostly in aqueous inks)

Reduce surface tension of inks by adding wetting agents.

For more information, please contact us.

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