Grease Guide: What is Copper Grease Used For?

There are so many different types of grease on the market today that it can be difficult to choose the right grease for the right job.

Copper grease is an anti seize compound designed to operate at extremes of temperature.  Note, it is not a lubricant.  It is often used to help prevent seizing and corrosion at high temperatures in the automotive industry.  Copper grease is effective within the temperature range of of - 40° to + 1,150° celsius making it an ideal choice for use on wheel nuts & bolts, flanges, studs and exhaust brackets to prevent seizing.

WHAT IS COPPER GREASE?

Copper grease is a specially formulated anti-seize compound manufactured by combining fine copper particles and high grade corrosion and oxidation inhibitors.  The grease is created through a procedure that combines oil with soap.  This imparts a sticky quality to the grease which enables it to cling to the surface it has been applied to and stay in place longer.  Copper grease is an anti-seize grease as opposed to a lubricant.

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APPLICATIONS OF COPPER GREASE:

Copper grease has been designed to be heat resistant and operates well under conditions of temperature extremes.  It demonstrates excellent anti-seize characteristics at temperatures well over 1,000° celsius. 

Because of this it is often the first choice grease for use with of wheel nuts, flanges, exhaust brackets/ assembly and flanges.  The anti seize properties of copper grease are particularly useful during assembly and dismantling jobs.   It is also sometimes used for eliminating disc brake squeal.

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COPPER GREASE IN THE AUTOMOTIVE INDUSTRY:

There are a number of specific jobs in the automotive industry that require copper grease application:

• Exhaust Assembly (high temperatures)
• Brake Parts (high temperatures)
• Screwed Connections (that are exposed to high temperatures)
• Thread of Spark Plugs
• Battery Poles
  
  

ADVANTAGES OF COPPER GREASE:

• Excellent Anti-Seize Properties
• High Temperature Resistance
• Protects Against Corrosion (eg: battery terminals)
• Helps Form Secure Durable Seals
• Excellent Conductor of Heat (can assist heat transfer when applied to the back of a brake)
• Can Help Prevent Disc Brake Squeal

DISADVANTAGES OF COPPER GREASE

• Can Damage Rubber Components (o-rings, gaiters, seals)
• Poor Lubrication Properties Compared to Other Greases (copper grease is primarily an anti-seize grease)
• Can Interfere with Modern Breaking Systems - (eg: noise fix shims)
• Copper Can Interfere with Electrical Components - (copper is a conductor and can have detrimental impacts on electrical systems eg: magnetic sensors in ABS braking systems)

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