Print can be removed by scratching the surface. Print fails adhesion tape, rub or wrinkle tests.


– Wrong ink used for substrate;

– Ink over-thinned;

– Wrong or weak solvent mixture used;

– Insufficient heat or drying applied;

– Insufficient or over treatment of substrate surface;

– Surface contamination of film by additives;

– pH too low.


– Ensure the correct ink is being used for the substrate;

– Use correct viscosity and ensure ink film weight by using reducing medium;

– Ensure correct solvent mixture to give good ink film forming and wetting of substrate;

– Increase heat and air volume. Some inks need to be fused to the substrate coating;

– Check the treatment level of substrate. If low, very high or variable, contact supplier,

– Try wiping and washing an area and printing. A primer wash coat may assist.

– Ensure pH is correct.

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