When they talk about base oils, group 1 - 4, I understand group 1-3 is refined from mineral oils. My question is about PAO base stock, I've heard this is a chemical compound derived from hydro carbons, doesn't this mean it also comes from Crude Oil or the gases left over or created when refining crude?
Base Oils - PAO's
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Originally Posted By: Sodakrooster
When they talk about base oils, group 1 - 4, I understand group 1-3 is refined from mineral oils. My question is about PAO base stock, I've heard this is a chemical compound derived from hydro carbons, doesn't this mean it also comes from Crude Oil or the gases left over or created when refining crude?
PAO is made (synethesized, aka build up) from ethylene gas which can come from crude oil, natural gas or any hydrocarbon source. Crude oil is currently the lowest cost source. This does NOT mean PAO is refined from crude.
Esters (within group 5) can be built the same way. Some esters do start life in plant or animal sources.
When they talk about base oils, group 1 - 4, I understand group 1-3 is refined from mineral oils. My question is about PAO base stock, I've heard this is a chemical compound derived from hydro carbons, doesn't this mean it also comes from Crude Oil or the gases left over or created when refining crude?
PAO is made (synethesized, aka build up) from ethylene gas which can come from crude oil, natural gas or any hydrocarbon source. Crude oil is currently the lowest cost source. This does NOT mean PAO is refined from crude.
Esters (within group 5) can be built the same way. Some esters do start life in plant or animal sources.
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