Characteristics:
Synthetic oil (perlfluoropolyether PFPE, free of additives). Chemically inert, highest thermal stability.

Examples of use:
Pumping axidants like oxygen, ozone or nitrous oxides as well as reactive substances like halogens, hydrogen halides and conditionally Lewis acids.

Product examples:
TRIVAC BCS, E+DK, RUVAC, SOGEVAC