Hot foil trick Hot foil trick The hot foil trick is a magic trick in which the magician places a small piece of tin or aluminium foil in a volunteer's hand, and the foil begins to rapidly increase in temperature until the volunteer has to drop it to avoid scalding their hand, and the foil is reduced to ashes on the ground. This effect is achieved by, shortly before performing the trick, surreptitiously exposing the foil to a chemical (such as mercury(II) chloride ) which will cause it to rapidly oxidise. This trick can be very dangerous, since many of the chemicals used
Cold foil printing Cold foil printing Cold foil printing, also known as cold foil stamping, is a modern method of printing metallic foil on a substrate in order to enhance the aesthetic of the final product. Cold foil printing can be done two ways: the older dry lamination process common in the offset printing industry, or the newer, more versatile wet lamination process, which is dominant in the flexo label industry. Using a standard printing plate, an image is printed onto a substrate with the use of a ultraviolet-curable cold foil adhesive. An ultraviolet dryer then cures the adhesive, which becomes tacky. Foil