petroleum

  1. oilman

    The Advantages of Synthetic Oils over Mineral oils

    The Advantages of Synthetic Oils over Mineral oils Extended oil drain periods Better wear protection and therefore extended engine life Most synthetics give better MPG They flow better when cold and are more thermally stable when hot Surface-active meaning a thin layer of oil on the surfaces...
  2. oilman

    Basestock categories and descriptions

    All oils are comprised of basestocks and additives. Basestocks make up the majority of the finished product and represent between 75-95%. Not all basestocks are derived from petroleum, in fact the better quality ones are synthetics made in laboratories by chemists specifically designed for the...
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