Making semi synthetic gasoline engine oils as multigrade are not difficult and even easy. There is need a heated mixer boiler and required ingredients that is base oils and additives.
When consider to make semi synthetic gasoline motor oil as multigrade, there is a need for a good and usable formulation that will be guide every steps of production. This formulation is needed in order to decide which ingredients and in what quantites should be used for manufacturing of semi synthetic gasoline motor oils as multigrade.
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