Molykote® 55 O-Ring Grease

Molykote® 55 O-Ring Grease is a high-performance silicone-based lubricant designed to condition rubber parts and ensure long-lasting sealing efficiency. Engineered for aerospace, automotive, and industrial applications, this specialty grease offers outstanding compatibility with many elastomers and plastics, preventing drying, cracking, and sticking of O-rings and seals under harsh conditions.

Key Features:

• Wide Service Temperature Range:  Performs effectively from -65°C to +175°C (–85°F to +347°F).

• Excellent Rubber Compatibility:  Specially formulated to protect and extend the life of O-rings and seals without causing swelling or deterioration.

• Outstanding Oxidation and Thermal Stability:  Maintains consistency and performance even uder exteded exposure to high temps.

• Good Corrosion Protection: Shields metal surfaces in contact with rubber seals.

• Reliable Sealing Performance:  Prevents leakage and sticking in pneumatic and hydraulic systems.

Typical Applications:  

• Assembly lubrication for O-rings, gaskets, and rubber seals

• Pneumatic systems and air line connectors

• Hydraulic systems and control valves

• Aircraft and automotive maintenance

• Rubber-to-metal assembly lubrication