MOLYKOTE® 55 O-Ring Grease
High-performance silicone-based grease designed to lubricate and seal rubber-to-metal and rubber-to-plastic components in pneumatic systems. Provides excellent oxidation resistance and wide temperature range compatibility.
Key Features and Benefits
- Wide Temperature Range: Operates reliably from -65°C to 175°C (-85°F to 347°F), making it ideal for extreme environments.
- Enhanced Sealing: Slightly swells rubber O-rings and seals for better sealing performance.
- Excellent Oxidation Resistance: Prevents degradation under heat and long-term use.
- Plastic and Elastomer Compatibility: Safe for use with most plastics and rubber components.
- Corrosion Protection: Guards against oxidation and environmental wear to extend component life.
Detailed Product Description
MOLYKOTE® 55 O-Ring Grease is a silicone-based, lithium-thickened grease specifically formulated for lubrication and sealing between rubber and metal or plastic components in pneumatic systems. With a base oil viscosity of 76 cSt at 40°C and no solid lubricants, it ensures smooth operation and reliable sealing in various industrial, automotive, and aerospace applications.
This grease is engineered to slightly swell rubber O-rings and seals, creating a tighter seal and improving performance in high-demand systems. It operates over a broad temperature range, providing reliable lubrication in extreme cold and heat, making it ideal for both high and low-temperature applications.
Learn more about the MOLYKOTE® brand and its transition from Dow Corning to DuPont in our detailed blog post.
Applications
- Rubber-to-metal lubrication in pneumatic systems for aircraft, automotive, and industrial applications.
- Sealing and lubricating O-rings, seals, and valves.
- Suitable for use in systems requiring corrosion protection and oxidation resistance.
Technical Specifications
- Product Type: MOLYKOTE® Grease
- Technology: Silicone-based
- Base Oil Viscosity @ 40°C: 76 cSt
- NLGI Grade: 2
- Thickener: Lithium
- Solid Lubricants: None
- Operating Temperature: -65°C to 175°C (-85°F to 347°F)
- Color: Off White
Available Sizes and Part Numbers
- 6g Pillow Pack: 1000 per carton (PN: 4103846)
- 100g / 3.5oz Tube: 10 per carton
- 150g / 5.3oz Tube: 12 per carton (PN: 4118446)
- 1kg Can: 10 per carton
- 3.6kg / 8lb Pail: 4 per carton (PN: 4016068)
- 18kg / 40lb Pail: (PN: 4016076)
- 180kg Drum: (PN: 4016067)
Why Choose MOLYKOTE® 55 O-Ring Grease?
- Proven performance in high-demand pneumatic and sealing applications.
- Wide temperature range makes it suitable for extreme environments.
- Trusted legacy of Dow Corning, now part of DuPont.
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