Difference Between Dielectric Grease and White Lithium Grease

Among the various available multipurpose greases, dielectric grease and lithium grease are some commonly found greases. These are generally used for vehicle maintenance.

Dielectric Grease vs White Lithium Grease

The main difference between dielectric Grease and White Lithium Grease is their compositions, properties, and area of usage. Grease, when used in automobiles, acts as a lubricant that possesses stability, high dropping point, and wear-resistant properties. Generally, greases are made with oil as a base in addition to a thickening agent that gives the preferred composition for the lubricative action.

Dielectric Grease vs White Lithium Grease

Dielectric grease is primarily based on silicone that is processed with electronic ignition modules that help to transfer the heat from the electronic equipment. It is resistant to water and is insulating.

Aerosol fans also use them. They are generally best-suited for metal to metal applications, and their heavy lubricating property allows them to be used in door-hinged door rails and also in marine applications.

Comparison Table Between Dielectric Grease and White Lithium Grease

Parameters of ComparisonDielectric greaseWhite Lithium grease
ComponentsIt is primarily made up of silicone and silicone oils.      It is a multipurpose lubricant consisting of lithium soap.
ApplicationsElectrical components widely use and work on dielectric grease.   Locomotives and automobiles use white lithium grease.
UsesThey seal and secure the conductors by protecting them from dirt.   They lubricate the doors, hinges and result in easy and seamless movement of metal parts.
Properties It is water-resistant and keeps away salt precipitates and dirt.           It withstands extreme temperature and pressure.
CostIt is quite expensive.   It is affordable and much cheaper than the other grease.

What is Dielectric Grease?

Dielectric grease is made up of silicone oils and is translucent. It is thinner inconsistency. It is mainly used in areas of application that need insulation and protection from unwanted dirt and other impurities.

In spark plugs, this grease helps the plug to easily and smoothly slide into the ceramic part. It is also popularly known as silicone-based or tune-up grease.

However, this type of grease cannot be us much on silicone and rubber components as it can corrode, erode, or damage the components over the long run.

They are also used in sports vehicles, marine vehicles, boats and used for recreational purposes. It is also used to prevent voltage leakages due to its non-conducting properties.

dielectric grease

What is White Lithium Grease?

It is a lubricant that is water-resistant and also used in preserving the properties of rubber. Lithium grease being the most popular grease, is a multipurpose grease and used widely in several applications.

It is a thickening type of grease with a stronger consistency and composition. It stays for a longer period and is corrosion resistance known as long-term lubrication. It is highly viscous and stays secure at a place.

It is resistant to wear and tear and also reduces friction greatly. Outdoor applications are perfectly fine with this grease due to its heat-resistant and water resistance properties.

In industries, it is majorly used in lever applications like fittings, chains, bearings, winches, pulleys, and also in ropes and wires. It is the best out there for heavy-duty purposes and applications.

white lithium grease

Main Differences Between Dielectric Grease and White Lithium Grease

  1. Dielectric Grease shields the components from the eater, and White Lithium Grease tolerates high temperature and pressure.
  2. Dielectric Grease is expensive, whereas White Lithium Grease is less expensive.


Based on the user’s needs and the properties of the different types of grease, they are suited for the appropriate purpose. Apart from the basic components of the grease, the addition of a few specific substances enhances and improves the performance, efficiency, and also its quality.

Before deciding the required grease for your application, ensure they are best suited by analyzing the properties like if they are waterproof, non-conductive, and the composition is better than the other options.


  1. https://ieeexplore.ieee.org/abstract/document/7524717/
  2. https://onlinelibrary.wiley.com/doi/abs/10.1002/app.35619
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