3. Coating factor. Before printing, we have to evenly apply coating to the surface of the material, the coating can not be applied only to the part of the material.
4. Varnish treatment. When glass and tile was printed, to dry in time, and then sprayed with varnish. This can both play a protective role and can improve the print effect.
The above is some factors of the ink fall off and peeling, as long as we can pay attention to these reasons before printing, then print out the items will be able to prevent this phenomenon.