Mobil 1 Advanced Fuel Economy 0W30 70 - 80% PAO?

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Might have been posted before, but the MSDS for Mobil 1 0W30, with a product number that is the same as the product number for USA Mobil 1 Advanced Fuel Economy 0W30, on file in Korea indicates that it is 70 - 80% PAO (cas # 68649-12-7), with remainder of content being trade secret. http://www.msds.exxonmobil.com/psims/AlternateFormat.aspx?DocumentID=655824&DocumentFormat=RTF http://www.msds.exxonmobil.com/psims/AlternateFormat.aspx?DocumentID=354580&DocumentFormat=RTF With the $22 Wal Mart pricing on 5 qt jugs and $10 rebate promo from XOM, it makes it quite the buy.
 
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Have you, per chance, seen the data for the 0w-20? G-Man, IIRC, a few years back posted some good information (patent documents, I think) that set forth some detail about the makeup of various M1 products. The intriguing one, to me anyway, was the 0w-40. It appeared that given the ambitious nature of this oil, EM had to use some pretty advanced technology to make it work. PAO and esters are the backbone of that product.
 
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 Originally Posted By: LoneRanger
the MSDS for Mobil 1 0W30, with a product number that is the same as the product number for USA Mobil 1 Advanced Fuel Economy 0W30, on file in Korea indicates that it is 70 - 80% PAO (cas # 68649-12-7), with remainder of content being trade secret. http://www.msds.exxonmobil.com/psims/AlternateFormat.aspx?DocumentID=655824&DocumentFormat=RTF http://www.msds.exxonmobil.com/psims/AlternateFormat.aspx?DocumentID=354580&DocumentFormat=RTF
So 1-DECENE, TETRAMER AND TRIMER HYDROGENATED is the formal chemical name for PAO? Can we be certain we get the same formula here?
 
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The last PAO CAS# I had was 68037-01-4 from lubriplate grease ( 1-decene homopolymer C10H20 and there are quite few of 'em(CAS#). The last time I saw a typical grp-III, the CAS# was: 64742-54-7. I think Shell ultra slack wax process is in the 9xxxxx_ range.
 
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 Originally Posted By: ARCOgraphite
Mercon V is about 85% this PAO.
I thought Mercon V didn't even have to be completely synthetic?
 
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Pottstown, PA
 Originally Posted By: Art_Vandelay
 Originally Posted By: LoneRanger
the MSDS for Mobil 1 0W30, with a product number that is the same as the product number for USA Mobil 1 Advanced Fuel Economy 0W30, on file in Korea indicates that it is 70 - 80% PAO (cas # 68649-12-7), with remainder of content being trade secret. http://www.msds.exxonmobil.com/psims/AlternateFormat.aspx?DocumentID=655824&DocumentFormat=RTF http://www.msds.exxonmobil.com/psims/AlternateFormat.aspx?DocumentID=354580&DocumentFormat=RTF
So 1-DECENE, TETRAMER AND TRIMER HYDROGENATED is the formal chemical name for PAO? Can we be certain we get the same formula here?
I don't do chem-speak, but that string appears in many of the Chevron PAO base stocks on page 10 here. Interesting document.
 
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