Does the PET used for beverage bottles differ from other types of PET?

The PET produced for food and beverage packaging undergoes an additional processing step to improve its strength properties. There are strict statutory provisions for PET production; so much so, it can be used for baby food. Of course, Gerolsteiner meets all the legal requirements of the Mineral and Table Water Ordinance (MTVO) and the German Foods, Commodities and Feed Code (LFGB).