Fumed Silica Grease

Fumed Silica Grease

Introduction

Fumed silica grease is a high-performance, non-melting grease formulated with fumed silica as its thickener. Known for its exceptional thermal stability, water resistance, and chemical inertness, it is widely used in applications where traditional greases fall short. This article delves into the properties, advantages, and applications of fumed silica grease, along with a detailed technical data sheet.

What Is Fumed Silica Grease?

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Fumed silica grease is a lubricating compound made from a high-viscosity base oil thickened with fumed silica. Fumed silica is a form of silicon dioxide (SiO₂) that features extremely small, high-surface-area particles. These particles create a three-dimensional network in the base oil, providing the grease with its unique properties.

Unlike soap-thickened greases, fumed silica grease does not melt or drip at high temperatures, making it ideal for extreme temperature and demanding environmental conditions.

Key Properties of Fumed Silica Grease

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1. Thermal Stability

   • Operational temperature range: -40°C to +250°C (and even higher for some formulations).

   • Does not melt or drip, even at elevated temperatures.

2. Chemical Inertness

   • Resistant to acids, alkalis, and most chemicals.

   • Ideal for use in chemically aggressive environments.

3. Excellent Water Resistance

   • Hydrophobic nature ensures protection against water washout.

   • Suitable for marine and high-humidity applications.

4. Shear Stability

   • Maintains consistency under high shear loads, ensuring long-term lubrication.

5. Non-Melting Characteristics

   • Unlike soap-based greases, fumed silica grease does not soften at high temperatures, providing consistent lubrication.

6. Wide Compatibility

   • Compatible with various materials, including metals, plastics, and elastomers.

   
   

Applications of Fumed Silica Grease

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Fumed silica grease is versatile and finds applications in a wide range of industries:

1. Automotive Industry

   • High-temperature bearings.

   • Sealed joints and O-rings.

2. Industrial Machinery

   • Gearboxes, high-speed couplings, and other critical components operating under high loads and temperatures.

3. Aerospace

   • Used in jet engines and space exploration equipment due to its stability under extreme conditions.

4. Electronics

   • Protects electrical contacts and reduces friction in sensitive electronic components.

5. Food and Pharmaceutical Equipment

   • Food-grade variants are used in mixers, pumps, and other machinery exposed to high temperatures and moisture.

6. Marine Applications

   • Protects against corrosion and water washout in propellers, rudders, and other marine equipment.

   
   

Advantages of Fumed Silica Grease

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1. Operates in extreme temperatures without degradation.

2. Provides consistent lubrication under high loads.

3. Excellent resistance to water and harsh chemicals.

4. Extends equipment life by reducing wear and tear.

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Technical Data Sheet for Fumed Silica Grease

Property	Value
Appearance	Smooth, off-white or colored grease
Thickener Type	Fumed Silica
Base Oil	Mineral or synthetic oil
NLGI Grade	1 to 3
Penetration (worked, 60x)	265-295 (typical for NLGI 2)
Dropping Point	None (does not melt)
Operating Temperature Range	-40°C to +250°C
Water Washout Resistance	<1% at 79°C (ASTM D1264)
Shear Stability	Excellent
Oxidation Stability	High
Compatibility	Compatible with most elastomers and plastics
Color	Customizable (often red or white)

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Why Choose Fumed Silica Grease ?

Fumed silica grease offers unparalleled performance in environments where standard greases cannot perform. Its non-melting, water-resistant, and chemically inert characteristics make it a preferred choice for industries operating in extreme conditions.

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Partner with Lubechem Consultant

At Lubechem Consultant, we specialize in custom formulations of fumed silica grease tailored to your specific industrial needs. Our expertise ensures you get a high-quality product designed for optimal performance, reliability, and durability.

Why Lubechem ?

• Industry-leading expertise in grease formulation.

• Customized solutions for unique applications.

• Reliable technical support and consultation services.

Conclusion

Fumed silica grease is the ultimate solution for applications requiring extreme temperature resistance, chemical inertness, and water repellence. By choosing a trusted partner like Lubechem Consultant, you can ensure the highest quality and performance for your lubrication needs.

Contact us today to learn more about how we can assist you with your fumed silica grease requirements.