is there any way we can compile a list of base stocks in oils? i searched but only found the same question im asking.
base stocks
- Thread starter electrolover
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Not really, because this information is considered proprietary (trade secret) and therefore is not readily available.
On a side note, does it really matter?
On a side note, does it really matter?
Originally Posted By: electrolover
is there any way we can compile a list of base stocks in oils? i searched but only found the same question im asking.
Then you missed almost all threads ever made on this subject.
Summary:
1. It's impossible. Most companies won't give up that info.
2. Even if it were possible, it would be unreliable. Companies change their formulations all the time.
3. Even if it were possible and reliable, it would be useless. Base stock composition tells you very little about how an oil actually performs.
is there any way we can compile a list of base stocks in oils? i searched but only found the same question im asking.
Then you missed almost all threads ever made on this subject.
Summary:
1. It's impossible. Most companies won't give up that info.
2. Even if it were possible, it would be unreliable. Companies change their formulations all the time.
3. Even if it were possible and reliable, it would be useless. Base stock composition tells you very little about how an oil actually performs.
Agree, but would add that knowing an oil's general composition does tell us why it does perform the way it does.
Take Red Line for example. They are one of the most forthcoming about the composition of their various POE/PAO oils.
When their 0W-20, 5W-20, 5w30 etc oils show zero shear in UOA we know why, because they contain no VII's and RL is open about the VII levels of their oils.
But RL is a bit player. With a company like XOM we have no idea about their oils composition. Does it really matter? No. It's performance that matters, and that can be measured.
Take Red Line for example. They are one of the most forthcoming about the composition of their various POE/PAO oils.
When their 0W-20, 5W-20, 5w30 etc oils show zero shear in UOA we know why, because they contain no VII's and RL is open about the VII levels of their oils.
But RL is a bit player. With a company like XOM we have no idea about their oils composition. Does it really matter? No. It's performance that matters, and that can be measured.
pennzoil isnt really secretive about there base stocks. they said flat out PU is blended with group III base stocks and has no esters. i dont know if its important or not but im sure there are alot of other topics here with the same or less importance.
its cool ill just keep researching im sure all the info is here...
its cool ill just keep researching im sure all the info is here...
Originally Posted By: electrolover
pennzoil isnt really secretive about there base stocks. they said flat out PU is blended with group III base stocks and has no esters.
Well, that still doesn't tell you a whole lot. How much of it is group III? How much of it is Group II?
pennzoil isnt really secretive about there base stocks. they said flat out PU is blended with group III base stocks and has no esters.
Well, that still doesn't tell you a whole lot. How much of it is group III? How much of it is Group II?
Group III oils are hydrocracked dino oils. Some Group IIIs are hydrocracked more than others. How much hydrocracking is done in the process is secret these companies keep from one another. All you can hope to get a spec sheets that measure performance based on standard API tests.
Ha, speculating and arguing about base stocks is one of the topics that keeps BITOG interesting. The physical properties and UOA performance do provide some clues about the base stock composition, even if they're not definitive answers. If the performance of an oil fails to match its high price, I enjoy it when members of BITOG call an oil company's "bluff."
Quote:
Group III oils are hydrocracked dino oils.
And some superior Group III base oils are made from slack wax (the wax removed from lube base oil by the solvent de-waxing process) and from natural gas in a "GTL" gas-to-liquids process.
Group III oils are hydrocracked dino oils.
And some superior Group III base oils are made from slack wax (the wax removed from lube base oil by the solvent de-waxing process) and from natural gas in a "GTL" gas-to-liquids process.
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