Zebra P520 Manuel d'utilisateur télécharger pdf (Page 51)

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Company Confidential

Varnish Overlays

Varnish overlays use the same concept as thermal transfer

monochrome ribbon. Varnish overlay consist of: polyester foil

(carrier), special backcoat, and ink. The ink transfer can be done

by a printhead or by a hot roller (P520i Lamination station).

Polyester foil (6 to 19µ)

Transfer

area

1 Backcoat for a printing with a printhead

no Backcoat for a printing with a hot roller (P520i Laminator station)

2 polyester foil : it is the carrier

3 the ink is often a 3 to 4 coats :

• wax release coat

• emboss coat

• high refractive index coating (metal layer)

•adhesive coat

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Zebra P520 Manuel d'utilisateur Page 51