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Writer's picture淩雲科技 Holo solution Inc.

Scratch-off Ink Printing

Updated: Jul 5

After applying scratch-off ink printing on the material surface, it can be scraped off with a coin or other hard materials. Usually, lottery information, anti-counterfeit QR codes, barcodes, serial numbers, and other information are covered under the scratch-off ink. Using a coin to scrape it off reveals the hidden information.

Scratch-off Ink with OVI(Optical Variable Ink)、OCEP(Optical Changeable Effect Pigments)
Scratch-off Ink with OVI(Optical Variable Ink)、OCEP(Optical Changeable Effect Pigments)

Design Variations of Scratch-off Ink

Common scratch-off ink prints are in the form of solid color blocks. However, in addition to changing the printed shape, it is also possible to print fine lines or more complex patterns. Because the lines are dense enough, they can still achieve the purpose of covering the underlying print while allowing for more design variations in scratch-off ink.

Scratch-off Ink Printing
Scratch-off Ink Printing

Overprinting on Scratch-off Ink

Text or colorful patterns can be printed on top of the scratch-off ink.

Scratch-off Ink with OVI(Optical Variable Ink)、OCEP(Optical Changeable Effect Pigments)

Colored Scratch-off Ink Printing

The scratch-off ink commonly seen on the market is usually silver or black, which helps to obscure the underlying printed information. However, colors with a silver base such as metallic blue, metallic red, etc., are also possible!

Scratch-off Ink Printing
Scratch-off Ink Printing

Scratch-off ink can also achieve an optical variable ink (OVI) or optical changeable effect pigments (OCEP) effect. This kind of optical change effect is often used in high-end anti-counterfeit prints such as banknotes. Viewing from different angles will show different color changes, making it very easy to identify. This also requires higher standards in printing technology and materials.

Scratch-off Ink with OVI(Optical Variable Ink)、OCEP(Optical Changeable Effect Pigments)



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