The Polymer Technology Group (PTG) specializes in research, development, scale-up, and manufacture of specialty polymers, polymer components and medical devices. PTG’s commercial products include two of the world’s most extensively tested biomaterials: BioSpan® segmented polyurethane and Bionate® polycarbonate urethane. In addition, PTG offers custom-fabricated components from its patented PurSil® silicone-polyether-urethane and CarboSil® silicone-polycarbonate.