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Adhesion problems with UV coatings
Different factors can have an influence on adhesion.
Cracks in the coating layer
Cracks in the coating layer (cracking) result from tension.
Odour and taste of a filling good must not be affected by the packaging.
Blocking of printed sheets
The blocking of printed sheets in the pile is a result of insufficient drying of inks or coating.
Insufficient curing of UV coating
Insufficient curing of UV coatings can influence the quality of your printed product.
Insufficient drying of water based coating
The drying behaviour plays a major role in printing and further processing.
Micro foam in coatings
Foam is the result of air distribution in the coating and can cause various problems.