The most widely used HighThermal Stability ( HTS ) turbo oil. Eastman Turbo Oil 2197 is a syntheticturbo oil of approximately 5 centistokes at 212°F ( 100°C ) and isapproved against MIL-PRF-23699F HTS. It is formulated with aspecial synthetic base stock and additive to achieve the superiorhigh temperature cleanliness required for aircraft engines of thefuture.

Approvals

Eastman Turbo Oil (Eastman TO) 2197 is our newest turbo oil,designed to be a “fleet-wide” oil especially for hot aircraft andaero-derived engines. Eastman TO 2197 offers exceptional hightemperature cleanliness in vapor mist and liquid film areas, aswell as outstanding oxidative, thermal and hydrolytic stability.Eastman TO 2197 has been approved by a wide range of engine andaccessory manufacturers for their applicable equipment, including:Rolls Royce LTD, Rolls Royce/Allison, GE, Pratt & Whitney, Pratt &Whitney Canada, Honeywell, Hamilton Sundstrand, CFMI, IAE, MTU,Solar and Turbomeca, etc.

Eastman TO 2197 enteredcommercial airline service in mid-1995 and has accumulated tens ofmillion hours of successful experience in ever-growing number ofengines and accessories. The benefits operators can expect fromthis oil include excellent Thermal and Oxidation Stability,outstanding high temperature cleanliness and Superior HydrolyticStability. Users of this oil have been enjoying cleaner engines,i.e., less or no carbon deposits in oil supply and scavenge tubesor bearing compartments and some of them also experience lessfrequent oil filter replacement.