What are the reasons why printing ink is not resistant to friction?
This is because the ink film of ink drying after crisp; not in ink binders adhered on the surface of the substrate, ink is not appropriate; too strong absorbent paper; printing plastic film, improper handling of the plastic film; the improper solvent; ink film drying ink can cause bad reasons.
Solution: the addition of plasticizer in ink and at the same time, you should add some dirty prevention additives, avoid "sticking into a piece of" the problem; glass paper and other materials can be taken when the heating method for adhesive; more new large and ink absorbent paper for the poor. Polyolefin film printing should be processed on the film, adding a kind of wax additives in the ink to improve.
The ink film can be drawn, smeared (or glued) with fingers, or gently wiped, and the color falls off.
