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MQ518A Base-free UV Varnish
MQ518A Base-free UV Varnish
DESCRIPTION.
UV primer free varnish MQ518A has good printing adaptability. Good leveling, smooth surface feel, good wear resistance, very low odor. It can be applied directly to the printed paper without primer varnish. It has good 3M tape pulling ability and good scratch resistance.
FEATURES.
| Appearance | Pale yellow transparent liquid |
| Viscosity (cup DIN 4 mm test at 25°C) |
40-50” |
| Solid content | ≥75% |
| Glossiness | ≥85° |
| Abrasion resistance ( 4 lbs) |
≥500 times |
| Curing conditions | Light speed 2m/s or more UV light intensity 80w/cm |
◎ Stirring fully before use, printing after 3-5 minutes of standstill, closed storage after use.
◎ UV curing immediately after varnishing.
◎ When printing particularly thick ink layer, considering that the end of printing through the UV curing machine after the heat is too high will cause sticking phenomenon. Use a laminating rack (drying rack) or lay it on its side to evaporate some of the heat before stacking;
◎ Printing squeegee adjustment slant, printing machine function to "stop before or seal the network", mesh sparse large, printing squeegee pressure to light can increase the thickness of UV light oil. The speed of UV light solidifier and the temperature of working environment can affect the surface leveling.
◎ Note on dilution with toluene or ethyl ester.
◎ It is recommended to use solvent-resistant, alkali-resistant and alcohol-resistant ink for printing.
◎ It is recommended to add 5%-10% thinner dilution.
◎ Drying too slow, you can reduce the paper speed. If still can not dry completely, may be too low UV lamp power, it is recommended to use the radiation meter often to detect, it is recommended to replace the lamp after 800 hours.
◎ This product has a certain irritation, avoid direct contact with the skin, if contact with detergent cleaning;
◎ This product should be placed in cool, dry and ventilated conditions, avoid direct sunlight, away from heat sources.
PACKAGE
20KG in black plastic drum
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