The best available raw materials for BASF filaments are selected from renowned suppliers. These arrive at BASF factory in pellets, which are packed in big-bags or octabins of 1000 kg each.First step is to carefully dry these pellets prior to processing them. This ensures the best printing results. For some filaments, BASF mix different materials together in order to get the specific printing properties for the application. We prefer to use raw materials which are safe to use and which are safe for the environment. Most of our materials are safe for food contact. All our products are 100% traceable to the source.