The Hegen Polyphenylsulfone (PPSU) range is made of FDA compliant food contact grade and NSF certified medical grade material. PPSU is widely used in the manufacturing of medical appliances due to its superior toughness and high temperature resistance. It combines the advantages of both glass and plastic materials; BPA free and lightweight. PPSU is naturally ambercoloured and contains no artificial pigments. Hegen PPSU is free of BPA, BPS, Phthalates and PVC.