Chevron Marine Lubricants has advanced the technical frontiers in marine coolants. Field and laboratory test prove our coolants provide maximum protection and last longer than conventional technologies in marine and power generation systems, offering you exceptional, cost-effective solutions.

XLI Cooling Water Treatments

XLI cooling water treatments are water based, low toxic, environmentally friendly, nitrite free carboxylate inhibitor treatments. Based on patented aliphatic acid technology, they provide long life corrosion protection in aqueous solutions for all engine metals, including aluminum, iron, copper and solder alloys. They can be used as an engine cooling water treatment, a flushing fluid, or a hot test fluid for new engine blocks. XLI cooling water treatments have an extended service life, with recommended maximum service intervals of 32,000 hours.

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