https://www.avient.com/products/vivo-formulations-healthcare/neusoft-thermoplastic-polyurethanes
USP Class VI and ISO 10993-4/5 compliant
NEU™ Custom Capabilities and NEUSoft™ Thermoplastic Polyurethanes are developed for short-term in-vivo applications that offer good elasticity, radiopacity, excellent UV stability and protection against moisture and oxygen while meeting ISO 10993 & USP Class VI standards.