Reply to "Test for unknown oil (Syntetic or not?)"

refrigguyMember

FTIR is useful to tell hydrocarbon (dino or PAO synthetic) from other lubricant base oil types like POE, PAG, alkylbenzene etc. As was said, FTIR will not tell PAO from dino basestocks.

Synthetic basestocks have no sulfur, so if you can factor out any sulfur from the additive package, you may be able to make a good guess based on that information. There are some very highly refined paraffinic basestocks that are virtually sulfur free as well, so this does not always apply.

10/15/048:49 AM

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