Sep 09, 2009. /Lesprom Network/. Torraspapel, part of the Lecta Group, offers a range of continuously evolving thermal papers, providing excellent thermal image quality, optimum runnability and safe treatment for thermal printer heads, the company said. As a result of significant investments and ongoing research and development, Torraspapel has extended its offer of thermal papers designed for tickets, bills, and point-of-sale receipts manufactured at its Leitza (Navarra, Spain) mill.