Since its foundation in 1974, ITASA has been dedicated to the production of Silicon Coated Papers. Since then , ITASA has evolved to meet market needs through diversification of its products and globalization of its corporate structure. Today, ITASA offers superior products for varied market sectors that require release-coated paper. 1.15-40 micron films for Envelope Window applications. Polystyrene film in high gloss, Semi Gloss/Matte variants. The Matte variant is generally used for high quality envelopes.