The process of converting waste materials into new materials and objects. Banknotes are increasingly recycled after destruction, and the waste is often used for landfills, isolation material etc. PolymerA substrate used in the printing of banknotes, made of biaxially oriented polypropylene (BOPP) polymer. Polymer banknotes were first introduced in Australia and are widely used around the world. More notes are melted into pellets which are recycled into new products. Recycling is often incorrectly used instead of recirculationThe right to recirculate banknotes that have been checked for authenticity and sorted for fitness by banks and cash-in-transit companies. The right is normally based on rigorous rules established by the central bank. More. See Recirculation.