UV curing Varnish
UV curing varnish was applied on the printed paper by the way of Three-wheel roller,
Transfer (Spot) coating or Silk Screen .The varnish resin was cured through ultraviolet
radiation to form a light layer of hardened protective film. The advantage of this
UV varnish are easy and fast proceeding, and non-solvent pollution. The disadvantage
is that once the UV resin diffusing into paper fibers, the UV light can not shine
effectively ,then having the pollution problem in this paper;Also, this UV varnish
paper is hard to recovery in usual way.