Chemsorb
UV Chem-Keys
Chemsorb 3039: Used for the stabilization of PVC. It is also used in PUR, polyesters and PMMA.
Chemsorb BP-12: Is a benzophenone, imparting good light stability when used in combination with HALS. It shows good compatibility with polyolefins and plasticized PVC.
Chemsorb 1577: Triazine, provides very good protection from yellowing. Used in ABS, ASA, polycarbonate.