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Coolflow STC50 is a ready-to-use stern tube coolant and antifreeze that will provide freeze protection down to -35°C. In order to maintain system integrity only top-up with Coolflow STC50.
The product and its components have been evaluated in accordance with U.S EPA criteria and meet Vessel General Permit standards for an Environmentally Acceptable Lubricant.
Coolflow STC50 has been assessed as a mixture and classified as non-toxic by an EPA certified laboratory. The specialist fluid is readily biodegradable (90% over ten days) and will not remain in the environment or bio-accumulate.
Regular analysis can extend the life of both fluid and system. Hydratech’s Fluid Monitoring Program (FMP) is a very straight forward, effective way to proactively monitor closed-loop system condition.