AeroShell Grease 14 is a calcium soap-thickened mineral oil-based helicopter grease designed for main and tail rotor bearings, offering superior anti-fret, water resistance, and corrosion protection in extreme operating conditions.

Shell AeroShell Grease 14

AeroShell Grease 14 is a calcium soap-thickened mineral oil-based helicopter grease designed for main and tail rotor bearings, offering superior anti-fret, water resistance, and corrosion protection in extreme operating conditions.

Category:

Shell AeroShell Grease 14


Mineral helicopter grease with anti-fret and corrosion-inhibiting properties

  • Mineral oil thickened with calcium soap

  • Approved by all major helicopter manufacturers

  • Outstanding resistance to fretting corrosion and moisture

  • Designed for use in helicopter main and tail rotor bearings, splines, and similar components

  • Excellent water resistance and oxidation stability

  • Operates effectively from –54°C to +75°C

  • Approved under MIL-G-25537C, DEF STAN 91-51, and NATO Code G-366

Global Product Code: 001A0914



Application:

AeroShell Grease 14 is a calcium soap-thickened mineral grease developed for helicopter multi-purpose applications, particularly suited for main and tail rotor bearings, splines, and gear interfaces. It is widely approved across the rotorcraft industry and delivers enhanced protection against fretting and moisture corrosion.

Performance Features & Benefits:

  • Anti-Fret Protection: Formulated to reduce fretting wear in rotor components.
  • Moisture & Corrosion Resistance: Withstands water exposure and inhibits metal corrosion.
  • Oxidation Inhibited: Ensures long-term grease stability and durability.
  • OEM Approved: Endorsed by all major helicopter manufacturers.

Main Application Areas:

  • Helicopter main rotor bearings
  • Tail rotor bearings and splines
  • General-purpose helicopter grease points requiring anti-fret performance

Specifications & Approvals:

  • MIL-G-25537C
  • DEF STAN 91-51
  • NATO Code: G-366
  • Joint Service Designation: XG-284

Environmental & Safety Information:

  • Unlikely to present significant health hazards when used under recommended conditions and with good personal hygiene.
  • Use impervious gloves when handling used grease. Wash skin thoroughly after contact.
  • Dispose of used grease at authorised collection points. Do not release into soil or water.
  • Safety Data Sheet (SDS) available via inquiry

Technical Specifications:

Property Typical Value Method
Oil Type Mineral
Thickener Type Calcium soap
Colour Tan
Base Oil Viscosity @40°C 13.7 mm²/s ASTM D445
Base Oil Viscosity @100°C 3.1 mm²/s ASTM D445
Operating Temperature Range –54°C to +75°C
Drop Point 148°C ASTM D2265
Worked Penetration @25°C 284 ASTM D217
Unworked Penetration @25°C 277 ASTM D217
Oxidation Stability (100h @99°C) 20 kPa ASTM D942
Oxidation Stability (400h @99°C) 93 kPa ASTM D942
Oil Separation (30h @1

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