Mar 12, 2012. /Lesprom Network/. Torraspapel, part of the Lecta Group, announces a price increase on its thermal paper range, effective 2nd April 2012. The price increase will be from 4 to 6%, depending on product and country and it will be applied in all markets. The increasing cost pressure on raw materials and other manufacturing inputs, especially energy making this price increase inevitable, the company said.