Ink curing method

The UV varnish and ink form a hard film after curing, if a small knife tip is used. To peel off the film, it should be a piece of stiff, shiny surface like a fish scale. If it is not completely cured, paraffin-like small pieces will be used for peeling off.

Testing method:

1, with the paper and ink layer pressed by hand, if the surface layer is cured, the lower layer does not cure, it will break the surface layer.

2. Put the printed paper on the surface for 24 hours. If the curing is completely basic, the dark oil or ink taste indicates uncured components.

3. Use a pin to mark the light surface and observe with a 200x magnifier. The scratch is jagged and indicates that it has cured.

4. With acetone or ethanol dripped on the ink layer, if the ink layer dissolves quickly, it indicates that it is not cured, and vice versa.

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