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COLTRI OIL ST 755 is a fully synthetic oil specifically developed for long lubrication durations of process gas compressors and especially for breathing air. It guarantees exceptional performance in all types of compressors. Coltri Oil ST 755 is based on a long and historical experience, over 70 years, in the industrial, commercial and military sectors, giving the user the possibility to obtain significant economic advantages combined with enormous technical advantages. The formula of the Coltri Oil ST 755 lubricant is an optimized blend of synthetic hydrocarbons and very pure synthetic esters with a selected and specific additive. It is produced exclusively in our state-of-the-art Italian industrial plants.