Fineness of ink materials related to ink ink rheology, fluidity and stability, printability PP ink wholesalers, is an important indicator of quality. Fineness of the ink is poor, coarse, printing will cause blocking version of the phenomenon. In offset printing and gravure printing will cause destruction and scraper phenomenon. And because non-uniform dispersion of the pigment, the intensity of the color of the ink can not be fully realized, and the influence of the degree of color strength of the ink bright ink film after drying. Lightfastness Lightfastness ink material is the ability of the ink in the fluorescent light, the color does not change. Ink lightfastness indicates the degree of print fading or discoloration when exposed to light. After the light of strong sunlight ink despite long-term exposure, but the small print fade discoloration; poor light faded ink its color ink printing easy, even color completely faded. In grading ink ink anodized wholesalers, eight least likely faded color, lightfastness best. Lightfastness of ink depends on the pigment. No effect on the light fastness of the ink printing process, mainly related to the use of the print process. Glass ink ink _ _ wholesalers constant Yawei printing equipment provided by the Dongguan Heng Heng Li Yawei printing equipment materials firm. Dongguan Heng Li Heng Yawei printing equipment materials firm (dghyw88.1688.com) strong, credible, in plate making, printing supplies, and other industries in Dongguan, Guangdong has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Yawei constant printing equipment and you hand into the brilliant, for a better future!