The Difference Between Hot Foil And Cold Foil
Hot foil and cold foil are two methods of adding metallic or colored foil to a printed surface. Here are the main differences between the two:
Temperature: As the names suggest, hot foil requires heat, while cold foil does not. Hot foil involves using heat and pressure to transfer the foil onto the printed surface, while cold foil uses a special adhesive that is activated by UV light.
Process: Hot foil is a post-press process, meaning that it is applied after the printing process is complete. Cold foil, on the other hand, can be applied either during or after the printing process, depending on the specific method used.
Coverage: Hot foil typically provides better coverage and opacity than cold foil, as the heat and pressure help to ensure that the foil adheres firmly to the printed surface. Cold foil may result in a thinner and less opaque layer of foil.
Design flexibility: Hot foil allows for greater design flexibility, as it can be used with a wider range of substrates, inks, and printing techniques. Cold foil, while still versatile, may require more specific conditions for optimal results.
Cost: Hot foil is generally more expensive than cold foil due to the additional equipment and labor required for the heat and pressure transfer process.
Overall, the choice between hot foil and cold foil will depend on the specific requirements of the printing project, including a budget, design considerations, and the desired metallic or colored effect.