Scratch card ink for UV flexo,offset,roller printing
Color : Silver
Product Features:
1. UV curing speed is fast, solvent-free, environmentally friendly product.
2. Good adhesion, wear-resistant and easy to scrape, with excellent smoothness.
3. Excellent printing adaptability and good leveling performance.
Product Usage:
Suitable for outer packaging such as cardboard, paper, cigarettes, alcohol, cosmetics, labels, as well as optical film/UV varnish for books, greeting cards, etc
Technical parameters:
1. Viscosity 25 ºC, cps:2500-5000 cps.
2. Fineness: < 5um.
3. Curing speed: (80W/cm * 2-3 Hg Lamp): 15-55m/min
4. Printing screen: 100 lines. Flexographic printing 2 times, offset printing 2 times, wheel transfer printing 2 times.
Attention:
1. The substrate must be covered with PET film or printed with UV primer (UV primer must be completely dry before printing with UV scratch off printing ink)
2. The UV lamp tube power of the UV curing machine is generally 5.6-8KW/tube, 2-3 high-pressure mercury lamps (wavelength 300-400nm), and the conveyor belt during curing is generally 15-55m/min
3. This product can be used directly without adding other non matching inks or diluents. Before use, it should be thoroughly stirred before printing, and after use, it should be sealed and stored.
4. If printing on dark ink or substrate, it is necessary to cure immediately after printing, and the curing time may be extended. Pay attention to ensuring complete curing and preventing sticking.
5. After printing, the screen must be thoroughly cleaned with ester, alcohol, or ketone solvents, and the solvent must be completely evaporated before reprinting.
6. UV ink should be stored in a shaded, ventilated, and dark place. The shelf life is generally 3 months at 5 ºC -25 ºC indoors. Used products cannot be mixed with unused products.