Recently we brough OPtical Variable Ink, which changes colour from one angle to another. When we tried this ink in UV Offset we didn't get the color shift. But the same ink when we applied in screen printing, it is showing much better OVI effect. Then we understand this ink needs more decposit, later on we tried with two pass and three pass in the offset but we couldn't get the result. How to improve the ink deposit in the offset machine even after 100% solid screen. Could anyone let me know the OVI Offset ink, I found many suppliers in Screen Printing. But due to quantity is big we are looking for the offset Optical Variable Ink. Could anyone assist on this problem.