Prestone Full-Synthetic American Powersteering Fluid

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947
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Muncie, Indiana
I had a peek at the SDS because this is what's recommended for my 08 Trailblazer, it appears to be mostly PAO with some esters and a few other adititves. Component CAS No. Amount 1-Decene homopolymer, hydrogenated 68037-01-4 10-80 % 1-Decene trimer, hydrogenated 68649-12-7 10-80 % Hexanedioic acid, ditridecyl ester 16958-92-2 3-7% Zinc and Zinc Compounds Proprietary <1 % Phosphonic acid, dibutyl ester 1809-19-4 <1 %
 
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2,100
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WY
May be 20% with some ester < 4%. Hard to say with the vast amount of variation called out in the sds.
 

blufeb95

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Messages
947
Location
Muncie, Indiana
Originally Posted by sloinker
May be 20% with some ester < 4%. Hard to say with the vast amount of variation called out in the sds.
In my experience if a Prestone product contains mineral oil it says so on the SDS, the full synthetic Asian Power Steering fluid says it has 30-60% highly refined petroleum oil in it and 5-40% of each PAO compound.
 
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