Abstract: A curing chamber for curing and drying a flat printing product printed with at least one UV-curing pigment comprising a first chamber wall which comprises a cooling surface or is a cooling surface, a second chamber wall which is opposite the first chamber wall, wherein at least one UV lamp directed onto the cooling surface is arranged on or in the second chamber wall, third and fourth chamber walls which are arranged opposite one another between the first and the second chamber walls and which each comprise an introductory slot or removal slot and/or form an appropriate slot to the first chamber wall, fifth and sixth side walls arranged opposite one another and arranged between the first and the second chamber walls, wherein a gas inlet or a gas outlet is arranged in the vicinity of the third and fourth chamber walls, and the gas inlet is an inert gas inlet.

Abstract: The disclosed radiation-curable acrylate-based ink-jet ink comprises a pigment, a bifunctional acrylate and, optionally, a trifunctional or multifunctional acrylate, a compound that has an ethylenic double bond and a molecular weight of 90 to 205, and a photoinitiator in the form of an acyl phosphine oxide, and furthermore contains 0.05 to 3.0 wt. % of stabilizer and 0.05 to 1.5 wt. % of surfactant.

Abstract: The disclosed radiation-curable acrylate-based ink-jet ink comprises a pigment, a bifunctional acrylate and, optionally, a trifunctional or multifunctional acrylate, a compound that has an ethylenic double bond and a molecular weight of 90 to 205, and a photoinitiator in the form of an acyl phosphine oxide, and furthermore contains 0.05 to 3.0 wt. % of stabilizer and 0.05 to 1.5 wt. % of surfactant.