Posted by RandyB(MI) on April 10, 2016 at 14:19:48 from (75.133.131.65):
In Reply to: Re: Motor Oil posted by ditchwitch on April 09, 2016 at 18:13:05:
The answer to your question is this : There are two completely different products here , one is "synthetic lubricant" which is NOT what you see in the stores. It is completely man made from polymers/resins and a few other chemicals and is what is used in the aerospace industry. The one we all see in the store will say "synthetic oil" which is completely derived from petroleum but with a lot of man made (synthetic) additives to achieve the characteristics they are after. It IS subject to specific refining and chemically altered so that a very high percentage of the molecules are all the same size/nature. ( put one board on top of another board with all different sizes of ball bearings between them and only the larger ones will carry ALL the load as apposed to ALL being the same size and all will carry load/libricate.) A true synthetic "lubricant" would not be affordable.
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