offset varnish

UV varnish is a transparent coating, also known as UV varnish. Its function is to spray or roll coating on the surface of the substrate, after the UV lamp irradiation, so that its liquid into solid, and then achieve surface hardening, scratch resistance, and the surface looks bright, beautiful, mellow texture. UV Offset varnish has different powerful features of other UV coatings 1. Excellent adhesion. 2. High gloss and high fluidity. 3. The curing speed is fast. Under the premise of sufficient energy of UV machine, the speed can reach the efficiency of more than 8000 sheets of paper per hour, which greatly saves time.

Varnish is a kind of synthetic resin. Now it usually refers to the transparent varnish on the surface, which is made of base materials and additives, without any pigment. After the film is formed, the oil will shine bright, commonly known as OP varnish. OP varnish has the following characteristics 1. The layer has high transparency and is not easy to turn yellow. 2. The film has a certain degree of wear resistance. 3. It has certain flexibility. 4. The film has better environmental resistance. 5. It has certain adhesion to the surface of printed matter. 6. Good leveling and smooth film surface. 7. Wide post-press processing adaptability.