R + K Loepfe AG was founded more than 20 years ago. Since then, we have developed more and more sophisticated hot-stamping tools, making us your expert partner. R + K Loepfe AG is represented in many European countries, as well as overseas. Should you be interested in representing our product in your country, please do not hesitate to contact us. Hot stamping with foil is a dry process. It involves transferring a symbol, either two-dimensional or linear, onto a surface with a tool that applies pressure to a pigmented foil for a specific length of time at a specific temperature.