AeroShell Grease 7 is a synthetic ester-based clay-thickened aircraft grease designed for general-purpose airframe lubrication, offering corrosion resistance, water resistance, and excellent low-temperature performance down to –73°C.
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Shell AeroShell Grease 7

AeroShell Grease 7 is a synthetic ester-based clay-thickened aircraft grease designed for general-purpose airframe lubrication, offering corrosion resistance, water resistance, and excellent low-temperature performance down to –73°C.

Category:

Shell AeroShell Grease 7

Synthetic airframe grease for general aviation lubrication

  • Composed of synthetic ester oil with clay thickener

  • Operates across an exceptionally wide temperature range from –73°C to +121°C

  • Excellent resistance to water and oxidative degradation

  • Inhibits corrosion and compatible with highly loaded gears, actuators, and instruments

  • Approved to MIL-PRF-23827C (Type II) and COMAC QPL-CMS-OL-302

  • Not compatible with some seal materials or soap-based greases (Type I)

Global Product Code: 001A0065



Application:

AeroShell Grease 7 is a multi-purpose synthetic aircraft grease formulated for use in turbine and piston engine aircraft, providing effective lubrication for actuators, gears, instruments, and general airframe components. Its formulation supports a wide operational temperature range and resistance to harsh environments.

Performance Features & Benefits:

  • Wide Operating Range: Maintains performance from –73°C to +121°C for diverse climates and altitudes.
  • Corrosion Inhibited: Protects against rust and corrosion in high-stress aviation components.
  • Water Resistant: Effective lubrication in wet conditions, minimizing washout risks.
  • Thermal Stability: Resists oxidation, maintaining grease integrity under high load.

Main Application Areas:

  • Aircraft airframes (civil and military)
  • Highly loaded gear mechanisms
  • Actuator screw mechanisms
  • Instrumentation requiring precision lubrication

Specifications & Approvals:

  • MIL-PRF-23827C (Type II)
  • COMAC QPL-CMS-OL-302

Environmental & Safety Information:

  • Unlikely to present significant hazards when used as directed and with good hygiene.
  • Use protective gloves when handling used grease; wash thoroughly after skin contact.
  • Dispose of used grease responsibly through authorised collection points. Avoid release into drains or environment.
  • Safety Data Sheet (SDS) available via inquiry

Technical Specifications:

Property Typical Value Method
Oil Type Synthetic ester —
Thickener Type Clay —
Colour Beige —
Base Oil Viscosity @40°C 11.2 mm²/s ASTM D445
Operating Temperature Range –73°C to +121°C —
Drop Point >300°C ASTM D2265
Worked Penetration @25°C 285 ASTM D217
Unworked Penetration @25°C 282 ASTM D217
Worked Stability (100,000 strokes) 289 FED-STD-791-313
Oxidation Stability (100h @ 99°C) 17 kPa ASTM D942
Oil Separation (30h @ 100°C) 2.5% ASTM D6184
Water Washout @38°C 6% ASTM D1264
Evaporation Loss (22h @ 100°C) 1.3% ASTM D2595
Four Ball EP Load Wear Index 40 kgf ASTM D2596
Low Temperature Torque – Start @–73°C 0.23 Nm ASTM D1478
Low Temperature Torque – Run @–73°C 0.03 Nm ASTM D1478
Copper Corrosion (24h @ 100°C) Passes ASTM D4048
Particle Count Passes FED-STD-791 M.3005
Rust Prevention (48h @ 52°C) Passes ASTM D1743

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