https://www.avient.com/industries/healthcare/remote-monitoring-wearables/smartwatches-and-smart-rings
Avient’s portfolio of healthcare colorants includes standard and customized color solutions for a variety of polymers, from polyolefins, PC, PEBA, ABS, and styrenics to high temperature polysulfone resins.
https://www.avient.com/news/hai-prevention-has-ally-new-polyone-tpes-feature-enhanced-resistance-antiseptics
They also feature excellent bonding to plastics with improved chemical resistance, such as rigid PVC, co-polyesters, PC/polyethylene terephthalate, rigid thermoplastic urethanes and polyetherimide, many of which are now replacing traditional substrate materials.