Offset overprint varnish (OS30 9905) is drying oil based overprint varnish specially designed for sheet fed offset printing on coated paper, duplex boards and other packaging printing jobs substrates. It is used on various types of offset machines.
It exhibits an excellent rub resistant property and very good drying on wet-on-wet or dry-on-wet varnishing. It has excellent gloss and very good alkali-resistant OP varnish. Very fast drying by conventional means or as accelerated by I.R. to tough, hard, mar resistant film.