Correct dilution ink printing film of face of packing bag?

Printing film bags began to dilute, must add dedicated thinner in new Mexico, make to suitable for printing ink viscosity. Correct dilution method is to stir the printing ink, and slowly pour into solvent, because of the ink pigment particles are encapsulated inside the resin and uniformly distributed in the whole system, if use more than the amount of solvent and rapidly diluted, ink by the impact, often make uniform distribution of pigment particles bare state, lose the gloss and transparency, cause a decrease in the printing effect.