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The use of UV light as a curing technology has been around for a long time. In the last few years it has become more popular since the technology on the lamps and the materials side has greatly improved. Applications are now on sheetfed, web and wide format inkjet equipment. The major advantages of UV inks are:

1)    Press sheets are dry when they come off the press

2)    Higher throughput speed than Infra-Red drying

3)    No Volatile Organic Compounds released in the air

4)    Resist smudging and abrasion

5)    UV Coatings have a “wet look”

6)    Do not have solvents to penetrate uncoated stocks

Most printers buy UV power supply systems that may be supplied by the manufacturer of the equipment but made by someone else. Understanding how UV lamps work can improve their performance and save you money.