How should the ink be managed after printing?
First light quick drying ink, plus 3% red, 5% Central Asian brand dry oil ink to God, instead of adjusting oil to reconcile varnish suitable for printing so far. Then add the ink to prevent the dirt on the back of the effect is remarkable, the increase in varnish can increase the ink drying speed and ink adhesion. Interested manufacturers can try.
The main reason for this problem is the poor absorbability of PVC material to ink. Completely rely on ink evaporation, drying is difficult, especially in printing large area, the drying time will be more than 48 hours, and the adhesive force of ink is very small, wipe off. And because the printing of PVC materials dedicated ink less, general use of ordinary ink to print PVC self-adhesive material.
Printing PVC self-adhesive material, in the use of offset press, due to small adhesive force of ink, PVC self-adhesive material easy to stick dirty and other problems, has been plagued by many printing manufacturers.
