3815909025
- Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included
- Other
- Other
- Catalyst consisting by weight of: - 30 % or more but not more than 33 % of bis(4-(diphenylsulphonio)phenyl)sulphide bis(hexafluorophosphate) (CAS RN 74227-35-3), and - 24 % or more but not more than 27 % of diphenyl(4-phenylthio)phenylsuphonium hexafluorophosphate (CAS RN 68156-13-8) in propylene carbonate (CAS RN 108-32-7)