Thermoplastic polymer made from the annually renewable resource corn. It is fully biodegradable. Has high barrier against oxygen and water vapor, high transparency, high gloss, very good stiffness and excellent combined barrier against gases, water vapor as well as aromas. Allows metal detection, possesses high bonding of the SiOx coating to the base films. Suitable for use on established converting machines. Used in lidding foil for trays (thermoformed or rigid)and pouches (all types).