UV printing, specially formulated inks are exposed to ultra- violet radiation, which causes them to harden instantly on top of the substrate. The result is a extremely hard surface which bonds to the Aluminum. With the addition of the UV laminating the surface shows a bright gloss finish.

UV lamination is applied to the surface of tach tag.

This form of coating is used both to protect the printed materials as well as aesthetically improve the look.  Most UV coatings are glossy by nature which produces a shiny effect. UV glossy coating is generally preferred because the shiny appearance of the final product tends to enhance color graphics and photos