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The hot embossing foil printing procedure is a dry printing procedure whereby the hot embossing foil is adhered or melted on to the surface to be printed. The hot embossing foil itself consists of a carrier strip, a separating film, advisably a protective lacquer, the ink film proper, which frequently contains an additional metal film, and the plastic adhering or connecting film to the surface to be printed. All other films apart from the carrier strip are applied to the surface to be printed during the printing process and, after appropriate cooling,
stripped off the hot embossing foil or carrier strip where they are adhered or connected to the surface to be printed. The finishing of the printed sheets results from metalized aluminum and colored foils that are heat embossed with temperatures of 90-180°C in a separate printing cycle. Along with the special hot foil embossing of printed sheets, this method allows the combined blind and hot foil embossing methods (relief embossing) in one printing run.
