https://www.avient.com/news/polyone-expands-lineup-pre-certified-biocompatible-healthcare-colorants-and-additives
These colorants and additives are pre-certified to meet USP Class VI or ISO 10993 biocompatibility testing for global healthcare applications, such as medical devices, pharmaceutical, and health & wellness products.
We can now offer expanded resin families that incorporate biocompatible functional additives, in both masterbatch and compounded forms, that meet or exceed industry standards for USP Class VI or ISO 10993 biocompatibility testing.”