PSG is an application engineering and polymer chemist group whose decades of combined experience has resulted in the development of new families of water clear thermoplastics which include: Sizzle®, Edge, Kostrate® Edge, EdgeGlas®, Kostrate® PC. In addition, PSG's materials are FDA compliant, UL, NSF, and MED VI approved. Our resins are BPA Free and contain no phthalates or antimony compounds. Our water clear lines offer superior performance and significant savings resulting in a higher profit margin.