https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/remafin-ep-white-colorants
The colorant solutions are available in PP and PE (HDPE and LDPE) and produced with ingredients tested to European Pharmacopeia 3.1.3 and 3.1.5 as well as to USP chapters , including class VI (a requirement for ophthalmic and nasal drugs) and USP and (light transmission).
https://www.avient.com/knowledge-base/article/polymer-services-frequency-asked-questions?rtype[]=1164
Common examples are polypropylene (PP), nylon (PA), polyketone (PK), and thermoplastic elastomers (TPE).
Examples of semi-crystalline polymers are PP, polyethylene (PE), PA6, PA66, polyphthalamide (PPA), polybutylene/polyethylene terephthalate (PBT/PET), polyoxymethylene (POM) or acetal, polyphenylene sulfide (PPS), and polyether ether ketone (PEEK).
