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AEROSPACE LUBRICANTS

From gas turbines and APUs to ground support equipment and precision component shops, aerospace work needs lubricants that survive extreme temperatures and match exact specifications.

Aerospace lubrication spans an enormous range: turbine oils that see sump temperatures of 200 °C and above after a cold soak far below freezing, greases for bearings and actuators, dry films for mechanisms that must stay clean, and preservatives for parts in storage and transit. On aircraft, only lubricants approved for the specific engine or component may be used. Ground support equipment, test rigs, MRO workshops and component manufacturers have more freedom, but the same need for reliable, specification-matched products.

Banesto's aerospace-relevant range includes ester-base synthetic turbine oil compatible with MIL-PRF-23699, PFPE grease, PTFE dry-film lubricant and corrosion preventive compounds, along with hydraulic oils and greases for ground support equipment.

Lubrication Challenges in Aerospace

Extreme Temperature Range
Oils must flow after a cold soak and stay stable at turbine sump temperatures of 200 °C and above.
Approval & Traceability
Aircraft use needs approved products; MRO and component shops need batch traceability and data sheets.
Clean, Precise Mechanisms
Actuators, instruments and clean assembly areas cannot tolerate oily residue or dust pickup.
Corrosion in Storage & Transit
Engines, components and spares in storage or shipment need protection from moisture and salt.

Recommended Banesto Products

Selected from our 852+ SKU range for the duty cycles most common in aerospace workshops and ground support. Every recommendation is matched by application (temperature, load, speed and exposure), not by catalogue number. Where the equipment maker specifies a grade, the maker's specification comes first.

Ester-Base Synthetic Turbine / Aviation Oil
POLYOL ESTER · MIL-PRF-23699 COMPATIBLE
For aircraft gas turbines and APUs as approved, industrial gas turbines and test rigs.
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PFPE Grease (Ultra High Temperature)
PFPE BASE · PTFE THICKENER · 260 °C
Non-flammable, very low vapour pressure; for very high-temperature bearings and oxygen service, as approved.
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PTFE Dry-Film Lubricant
PTFE · 260 °C · μ ≈ 0.04
Dry lubrication for actuators, fasteners, slides and clean-room mechanisms.
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Defence-Grade Corrosion Preventive Compound
MIL-PRF-16173 / DEF-STAN 68-12 COMPATIBLE
Preserves engines, components and spares in storage and transit.
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Hydraulic Oil HLP 46
ISO VG 46 · DIN 51524-2
For ground support equipment, tugs, platforms and hangar hydraulics; not for aircraft hydraulic systems.
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Polyurea Long-Life Bearing Grease
NLGI 2 · POLYUREA · 160 °C
For motors and fans in hangars, test cells and component plants.
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Need specifications? Full technical data sheets are available for every grade.

View Product Datasheets →

Lubrication Map: Machine by Machine

A starting point for your lubrication schedule, point by point.

EquipmentLubrication pointBanesto productGood practice
Aircraft gas turbines and APUsEngine oil systemEster-Base Synthetic Turbine Oil, only where approved for the engineNever mix oil brands or types without approval.
Industrial gas turbines, test rigsOil systemEster-Base Synthetic Turbine OilTrack oil condition with regular sampling.
Actuators, fasteners, slidesSliding contactsPTFE Dry-Film LubricantApply thin; let the solvent evaporate fully before assembly.
High-temperature or oxygen-service bearingsBearingsPFPE Grease, as approvedRemove all hydrocarbon grease first.
Engines and spares in storage or shipmentExposed metalCorrosion Preventive CompoundChoose the film type by storage conditions and duration.
Ground support equipmentHydraulicsHydraulic Oil HLP 46Keep GSE oil separate from aircraft fluids.
Hangar and test-cell equipmentMotor and fan bearingsPolyurea Bearing GreaseDo not over-grease electric motors.

Frequently Asked Questions

What is MIL-PRF-23699?

MIL-PRF-23699 is a US military performance specification for synthetic, ester-based gas turbine engine oils of 5 cSt viscosity, widely used in aviation. Banesto's ester-base turbine oil is formulated to be compatible with it; use on aircraft needs the approval set by the engine maker or authority.

Can industrial lubricants be used on aircraft?

No. Only lubricants approved for the specific aircraft, engine or component may be used on aircraft. Industrial grades are for ground support equipment, workshops, test rigs and component manufacturing.

Why use PFPE grease?

PFPE grease is non-flammable, chemically inert and has very low vapour pressure, so it works at very high temperatures, with aggressive chemicals and in oxygen service where hydrocarbon greases cannot.

How is a PTFE dry film different from grease?

A dry film leaves no oily layer to attract dust or contaminate parts. It suits slow, lightly loaded sliding contacts and clean areas; it does not replace grease in heavily loaded rolling bearings.

Running an MRO shop, ground support fleet or aerospace component line? Send us the specification and the application, and our team will confirm the matching Banesto grade with data sheets.