Exxon Mobil Elite 20W50 Aviation Oil
Aviation Oil Elite 20W-50 is a premium quality, semi-synthetic, ashless-dispersant aviation piston engine oil. It is formulated from select, highly refined mineral base oils, a polyalphaolefin synthetic base oil, and ashless performance additives providing outstanding engine cleanliness, wear protection, and corrosion protection. Aviation Oil Elite 20W-50 is designed to satisfy the requirements of all opposed piston engine manufacturer's requirements under a wide range of climatic conditions.
Features
High level of rust and corrosion protection: Extends the life of critical engine parts
Excellent wear protection: Long engine life
High oxidation and thermal stability: Minimizes deposits and extends engine life
Powerful dispersancy: Keeps engine parts, turbocharger bearings, propeller hub and dome, etc. clean of harmful sludge and varnish deposits
High Viscosity Index: Provides easy starting and fast lubrication of critical engine parts under low temperature conditions as well as high lubricant film strength and low wear under high temperature operating conditions
20W-50 Multi-grade: Year-round lubricant for most climates
Compatible with all commercial aviation piston engine oils - both non-dispersant and ashless dispersant type: Flexibility in use
Contains the Lycoming anti-wear/anti-scuffing additive: Compliance with FAA airworthiness directive AD 80-04-03-R2 par.b.1Specifications
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Test Methods
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Elite 20W-50 (1)
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| Kinematic Viscosity, cSt | ASTM D 445 | |
| at 100ºC | | 20.2 (16.3 min, 21.9 max) |
| at 40ºC | | 180 |
| Viscosity Index | ASTM D 2270 | 130 |
| Cold Cranking Simulator (CCS) Viscosity at -15ºC, cP | ASTM D 5293 | 7060 (9500 max) |
| High Temperature High Shear (HTHS) Viscosity at 150ºC, cP | ASTM D 4683 | 5.4 |
| Pour Point, ºC (ºF) | ASTM D 97 | -27 (-17) |
| COC Flash Point, ºC (ºF) | ASTM D 92 | 258 (496) |
| Foam | ASTM D 892 | |
| Seq I, mL/mL | | 0/0 |
| Seq II, mL/mL | | 0/0 (50/0 max) |
| Seq III, mL/mL | | 0/0 |
Gravity, API | | 29.7 |
| Density at 15.6ºC, g/mL (lb/gal) | ASTM D 4052 | 0.877 (7.3) |
Acid Number, mg KOH/g | ASTM D 664 (pH 11 end-point) | 0.31 (1.0 max) |
| Copper Corrosion | ASTM D 130 | |
3 hours at 100ºC | | 1a |
| 3 hours at 204ºC | | 2c |
| Ash Content, mass % | SAE J1747 | nil |
| Sulfur Content, mass % | | 0.40 |
| (1) Values not identified as min/max are typical and may vary within modest ranges | | |
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