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AeroShell Grease 33
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About AeroShell Grease 33
AeroShell Grease 33 is a multipurpose lithium complex aviation grease that streamlines maintenance by replacing multiple specialized lubricants with a single, universal solution. Its synthetic base oil and advanced additive package deliver exceptional corrosion resistance, oxidation stability, and load-carrying performance.
Operating between -99°F to 250°F (-73°C and 121°C), AeroShell Grease 33 provides consistent, long-term protection for airframe components, landing gear, and control systems. Its versatility helps reduce maintenance costs, minimize inventory, and ensure reliable operation across diverse aircraft systems.
PJi® supplies AeroShell Grease 33 and the complete AeroShell lubricant lineup to support your aviation maintenance needs. Contact our aviation team by phone, email, or live chat for expert guidance and fast, same-day service.
Frequently Asked Questions
What is AeroShell Grease 33?
AeroShell Grease 33 is a high-performance lithium complex grease formulated with synthetic base oils and advanced additives for aircraft maintenance. It provides excellent corrosion protection, water resistance, and mechanical stability, making it a reliable all-purpose lubricant for aviation applications.
What is AeroShell 33 used for?
AeroShell Grease 33 is designed for use on airframe components, landing gear assemblies, hinges, and control systems. It also performs well in actuators, slides, and other moving parts exposed to vibration or moisture. Its versatility allows it to replace several older greases, simplifying inventory and maintenance.
What is the temperature range of AeroShell Grease 33?
It operates effectively from -99°F to 250°F (-73°C to 121°C), ensuring consistent protection across a broad range of environmental and operational conditions. This wide temperature range makes it suitable for both high-altitude and ground-level aircraft systems.
What are the main benefits of using AeroShell 33?
AeroShell Grease 33 offers superior load-carrying capacity, corrosion resistance, and oxidation stability. It reduces wear, minimizes maintenance frequency, and enhances reliability across the entire airframe system. By replacing multiple greases, it helps streamline maintenance operations and reduce the risk of misapplication.
Is AeroShell 33 compatible with other types of grease?
While AeroShell Grease 33 is compatible with several older AeroShell formulations, mixing greases is not recommended. Different types of thickeners or additive systems may react unfavorably, potentially reducing lubrication performance. Always clean components thoroughly before switching to AeroShell 33.
Can AeroShell Grease 33 be used in wheel bearings?
Yes, AeroShell 33 can be used in many wheel bearing applications; however, it is best suited for airframe components and systems that require water-resistant, general-purpose lubrication. For high-temperature or heavy-duty wheel bearing use, AeroShell Grease 22 may be a better fit.
How does AeroShell 33 perform in wet or humid conditions?
AeroShell 33 maintains excellent adhesion and water resistance, even in high-humidity or marine environments. Its lithium complex base structure prevents washout and protects metal surfaces from corrosion during exposure to rain, salt air, or moisture.
Is AeroShell Grease 33 approved by aircraft manufacturers?
Yes. AeroShell Grease 33 meets the performance requirements of MIL-PRF-23827C and Boeing BMS 3-33B. It is approved for use on a wide range of commercial and military aircraft, including Boeing, Airbus, and regional jet platforms.
What makes AeroShell Grease 33 environmentally responsible?
AeroShell Grease 33 contains no substances classified as persistent, bioaccumulative, or toxic under REACH regulations. It is not considered an environmental hazard and contains no known endocrine-disrupting chemicals.
Is AeroShell 33 hazardous to handle?
AeroShell Grease 33 is classified as a mild skin sensitizer and eye irritant. Prolonged contact can cause skin irritation or oil folliculitis, so gloves and safety glasses are recommended during handling.
How should AeroShell Grease 33 be stored?
Store it in a sealed, properly labeled container in a cool, dry, and well-ventilated area. Keep away from heat sources, sunlight, and strong oxidizing agents. Polyethylene containers should not be exposed to high temperatures to prevent distortion.
What are the physical characteristics of AeroShell Grease 33?
It has a semi-solid consistency with a blue-green color and a slight hydrocarbon odor. The grease features a dropping point of approximately 216°C and a flash point above 215°C, providing excellent heat resistance and structural stability.
Can AeroShell Grease 33 be used for high-speed or high-load components?
Yes. Its advanced additive system and synthetic base oil composition ensure reliable lubrication under high-load and high-speed conditions. It protects against wear and friction in bearings, actuators, and other moving assemblies subject to mechanical stress.
Is AeroShell Grease 33 biodegradable?
AeroShell 33 is not readily biodegradable; however, it is considered environmentally stable and non-toxic to aquatic organisms at normal concentrations. It should still be disposed of properly through approved waste collection methods to prevent environmental contamination.