https://www.avient.com/products/engineered-polymer-formulations/high-temperature-polymer-formulations/comptek-high-temperature-polymer-concentrates
COMPTEK formulations are based on PSU, PES, PEI, PPS, PPSU, PEEK, LCP resins.
High temperature colorants for PEEK, PEI, PES, PPSU and PSU polymers
PES/PSU/PPSU Colorants: Colorant Chromatics™