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Castrol Tribol™ GR 215-2 (previously called Optitool™ 215-2) is a smooth, off-white fully synthetic
NLGI 2 grade grease based upon specially selected raw materials and a proprietary thickener. This
product was specifically designed for use in micro-electronic and clean room applications,
which are sensitive to metallic elements and other contaminants. Tribol GR 215-2 uses no
ingredients containing lithium, molybdenum, calcium, aluminum, barium, zinc or sodium as standard
elements. These elements are typically found in other greases and may be contained in relatively
Tribol GR 215-2 is intended for use on ball, roller, and needle bearings, linear motion components,
carriages, lead screws, gears, sliding and roller surfaces, instruments and precision equipment.
Tribol GR 215-2 is compatible with many lubricants but certain adverse reactions can occur when
mixing greases. Mixing of incompatible greases can cause failure and/or decreased performance in
certain applications. Before use in any system, consult with your Castrol advisor for compatibility
information regarding your specific application and existing grease.
This product was previously called Optitool 215-2. The name was changed in 2015.