A S Harrison & Co offer a range of API Group IV and Group V specialty base oils. These oils are typically referred to as synthetic oils due to the fact that they are manufactured by reacting raw materials together as opposed to mineral oils which are refined from crude oil.

Due to the fact that these oils are produced via a chemical reaction there is a greater level of control over their final properties. This means that Group IV and Group V base fluids typically have better high and low temperature performance, better oxidation stability and a higher viscosity index when compared to traditional Group I, II and III mineral oils.

A S Harrison & Co offer a range of Esters, PAOs, Naphthenic Oils and Polybutenes.

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