Dielectric Greases

Calvin Lutz
18 min readMay 17, 2024

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If you’re in search of the perfect solution to prevent electrical components from corroding, look no further than dielectric grease. This magical substance is a staple in the world of electronics and can transform your project from a disaster in the making to a success story. In this roundup article, we’ll dive into the world of dielectric grease, exploring the top products on the market that will leave your circuits humming in harmony. Gather round as we embark on this thrilling journey to uncover the best dielectric grease for your needs.

The Top 15 Best Dielectric Greases

  1. Versachem Dielectric Connector Grease — High-Quality Insulation Protector — Versachem 15339 Dielectric Connector Grease is a high-quality, waterproof, and non-flammable grease that ensures safe and efficient electrical connections, making it the perfect solution for spark plugs, battery terminals, and more.
  2. Super Lube Silicone Dielectric Grease: High-Performance Lubricant for Electrical Components — Experience superior performance and durability with Super Lube 91030 Silicone Dielectric Grease, an eco-friendly and effective solution for all your lubrication needs!
  3. Pico Dielectric Grease 0099C: High Performance Electricians’ Choice — Keep your battery terminals sparkling clean and your ignition systems sealed with Pico Dielectric Grease 0099C, expertly crafted by Pico in Eugene, Oregon.
  4. Dielectric Grease for Electrical Connections and Wiring — Protect and prolong the life of your electrical connections with the non-conductive Summit Racing SUM-849999: Dielectric Grease, a high-quality choice for marine and automotive applications.
  5. Dielectric Tune-Up Grease for Corrosion Protection and Electrical Connection — Experience reliable electrical connections and prolong the life of your high-energy ignition system with Permatex 81150 Dielectric Tune-Up Grease.
  6. Loctite Dielectric Grease — Electrical Contact Protection — Loctite Dielectric Grease offers a moisture-resistant, high-strength barrier that safeguards electrical equipment against corrosion and environmental hazards, with exceptional thermal, oxidation, and chemical stability for optimal performance.
  7. Tectran 2 oz Dielectric Grease for Insulation Protection — Tectran’s Dielectric Grease offers maximum protection against moisture, oxidation, and corrosion, ensuring reliable operation in harsh conditions.
  8. Insulating Dielectric Grease for Electrical Connections — The Honda 08798–0001 Grease Dielectric offers top-notch insulation for electrical connections, sealing out moisture, dirt, and corrosion in a versatile, adhesive formula.
  9. High-Resistance Dielectric Grease for Brake and Ignition Applications — Boost your engine performance and protect your automotive components with the high-resistance Motorcraft XG3A Dielectric Grease, designed for brake and ignition system applications.
  10. Genuine Ford Fluid XG-12 Electrical Grease for Electrical Connections — Experience the ultimate protection for your electrical connectors with Genuine Ford Fluid XG-12 Electrical Grease — a non-corrosive, automotive-grade solution to safeguard against oxidation and corrosion in your vehicle.
  11. Dielectric Grease for Electrical Connections — Improves Performance and Longevity — Protect and enhance your electrical connections with Gardner Bender’s dielectric grease, specifically designed for adverse weather conditions, extending connector life and reducing voltage drops.
  12. Super Lube Dielectric Grease: High-Performance Lubricant for Industrial Applications — Super Lube’s 82340 Multi-Purpose Grease is a versatile, long-lasting solution for extreme temperature range industrial situations, offering premium protection from wear, rust, and corrosion.
  13. Ancor 700115 Dielectric Grease for Electrical Connections — Ancor 700115 Dielectric Grease — The ultimate anticorrosive, multifunctional answer for enhanced electrical connections, waterproofing, and unyielding strength, crafted exclusively for experts and passionate DIYers.
  14. Eco-Friendly Super Lube Silicone Dielectric Grease for Electrical Sealing — Protect your electrical components from corrosion and arcing with Super Lube Silicone Dielectric Grease, a high-dielectric strength, non-curing silicone compound perfect for sealing and insulating electrical connections in a wide temperature range.
  15. Morimoto A61 Dielectric Grease for Electrical Connections — Protect and lubricate electrical connections in harsh environments with Morimoto A61 Dielectric Grease LectricLube — a versatile, highly resistant silicone grease.

As an Amazon Associate I receive compensation through qualifying purchases.

Reviews

Versachem Dielectric Connector Grease — High-Quality Insulation Protector

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Versachem Dielectric Connector Grease is a high-performance, 100% silicone dielectric compound designed to make boots removable from spark plugs and distributor caps. This grease is perfect for spark plugs, battery terminals, headlight sockets, and various other electrical connections.

With its waterproof and corrosion-resistant properties, it helps prevent arcing and voltage leakage. Usable on a wide range of applications, Versachem has become a must-have for mechanics and car enthusiasts.

Its 3-ounce size provides a generous amount, ensuring multiple uses before needing a refill. The product’s availability in the United States adds to its convenience for users.

Super Lube Silicone Dielectric Grease: High-Performance Lubricant for Electrical Components

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Super Lube’s 91030 Silicone Dielectric Grease is a versatile and high-quality product, perfect for those seeking a reliable grease for various applications. It’s made from minority, woman, or disadvantaged businesses, and is an eco-friendly choice. The thickener, silica, provides excellent heat resistance and stability, while the consistency resembles that of peanut butter.

This grease, with its NLGI grade of 2, offers a smooth and easy application. It’s suitable for normal bearing applications, making it a practical choice for a wide range of users. The 30 lb pail ensures an ample quantity for prolonged use, and the pail container is easy to handle.

Super Lube’s Silicone Dielectric Grease boasts impressive specifications, such as a high NLGI rating, H1 food grade lubrication, and a Timken OK load capacity of 25 lb. The product has been well-received by users, with one customer praising its value and effectiveness in saving time and money. Overall, the Super Lube 91030 Silicone Dielectric Grease is a reliable and efficient choice for those looking to lubricate their terminals and connectors.

Pico Dielectric Grease 0099C: High Performance Electricians’ Choice

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I recently had the opportunity to try out Pico Dielectric Grease 0099C, and oh boy, it was quite the experience. You know how you always hear about the importance of keeping battery terminals in tip-top shape to avoid corrosion? Well, let me tell you, this stuff does the trick. The first time I used it, I couldn’t believe the effortless spread and how it thoroughly covered the terminals. It’s like a magical goo that knows just where to be.

As someone who’s had a few voltage leaks in their time, I can honestly say this dielectric grease is a lifesaver. It’s so effective at sealing them up that I’m not sure I ever want to live without it. And, bonus points for being locally made by Pico in Eugene, Oregon! It just feels good to support my fellow Americans in business. Lastly, the dielectric grease itself is simple to apply and dries quickly, making it a great tool for any garage kit. I can see this being the go-to product for friends and family when they need a reliable solution for their ignition systems.

Though I must say, there was a slight issue with the packaging. It would have been great if there was a little bit more detail on how to properly clean and apply the grease. But hey, a little instructions can’t ruin a good product, right? All in all, I’d definitely recommend Pico Dielectric Grease 0099C for anyone looking to say goodbye to corrosion, leaks, and frustration with high energy ignition systems. It’s a game changer, really.

Dielectric Grease for Electrical Connections and Wiring

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Summit Racing’s dielectric grease provides non-conductive protection for various electrical connections and wiring, perfect for marine and automotive purposes. Its silicone-based formula is specifically designed to protect against salt, dirt, and corrosion, making it a must-have for modern high-energy ignition systems. This versatile grease helps extend the life of bulb sockets, prevents voltage leaks, and even safeguards spark plugs from sticking to boots.

With its ease of use and effectiveness, a little goes a long way in ensuring smooth, reliable performance for your connections.

Dielectric Tune-Up Grease for Corrosion Protection and Electrical Connection

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The Permatex 81150 Dielectric Tune-Up Grease is a versatile and high-quality product that can be used in a variety of settings to protect electrical connections and wiring from the damaging effects of salt, dirt, and corrosion. This dielectric grease is especially valuable in marine, car, and outdoor applications, where it can help keep electrical components functioning smoothly and prevent spark plugs from fusing to boots.

One of the key features of this grease is its ability to stop voltage leaks around electrical connections, as well as extend the life of bulb sockets. The grease is required for modern high energy ignition systems and is easy to dispense for a wide range of applications. It can also be used to lubricate the rubber parts of electrical connectors and protect electrical connections on boats or recreational vehicles from corrosion.

Users have shared positive reviews for the Permatex Dielectric Tune-Up Grease, praising its performance, ease of use, and ability to protect electrical components. Some have noted that a small tube may be preferable for certain applications, but overall, this is a top-quality grease that is well-suited to a variety of tasks and environments.

Loctite Dielectric Grease — Electrical Contact Protection

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Last week, I needed to fix an issue with a faulty wire connector in my car’s electrical system and decided to give Loctite’s Dielectric Grease a try. With its high dielectric strength and impressive thermal, oxidation, and chemical stability, I was confident it would do the job.

After a quick application to the connector, I was surprised by how smoothly the wire moved. The grease provided a moisture-proof barrier that kept the wire protected from the elements, preventing salt, dirt, and corrosion from hindering its function.

However, while the temperature resistance of 400°F (204°C) was a bonus, I was a bit concerned about the low minimum operating temperature of -67°F. It made me wonder if it would hold up well during colder months or if it could freeze and cause issues.

Overall, the Loctite Dielectric Grease was a great solution for lubricating and protecting electrical equipment. Although it has a low minimum operating temperature, it still provided excellent performance and a moisture-proof barrier for my electrical wire connector.

Tectran 2 oz Dielectric Grease for Insulation Protection

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I recently had to fix up an old lamp that had been sitting in our basement for years. When I took it apart, I found some serious corrosion on the metal parts. I remembered hearing about Tectran’s 500–72TB Dielectric Grease, so I decided to give it a try.

This grease is a lifesaver! Not only did it prevent further corrosion on the metal parts, but it also protected the electrical connections from moisture. The wide temperature range and waterproof nature of the grease were huge advantages in my situation.

However, one downside I noticed is that the grease has a thick consistency, which made it a little challenging to apply uniformly in some areas. But overall, the benefits far outweigh the slight inconvenience.

In summary, Tectran’s Dielectric Grease is a reliable solution for sealing out moisture and protecting metal surfaces from corrosion. It’s a must-have for anyone dealing with electrical connections in harsh environments.

Insulating Dielectric Grease for Electrical Connections

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The Honda Grease Dielectric is a top-quality product perfect for insulating electrical connections. It’s specifically designed to adhere to various surfaces, preventing moisture, dirt, and corrosion from causing damage. The 0.5 oz. tube is small and portable, making it an ideal choice for adults regardless of age.

When you need to make electrical connections, this dielectric grease ensures you can rely on its insulating abilities. Users of this product commonly praise its long-lasting nature and trust in the Honda brand’s high-quality. It’s a practical product for those who want a maintenance solution that is both efficient and easy to use.

Despite its positive attributes, a few users mentioned that it might not be necessarily unique compared to other dielectric greases, but they emphasized its superiority in terms of packaging and longevity. Most importantly, it’s a handy tool to have for protecting electrical connections from environmental hazards. However, like any product, it does require regular maintenance for optimal performance. Overall, the Honda Grease Dielectric is a sound investment for any adult looking to ensure their electrical connections are safe and well-protected.

High-Resistance Dielectric Grease for Brake and Ignition Applications

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Introducing the Motorcraft XG3A, a versatile 3.0 oz Dielectric Grease designed to meet various automotive needs with ease. This grease excels in lubricating the disc brake caliper slide pins, offering high resistance to water and heat, ensuring optimal performance even in the most challenging conditions.

Moreover, its compatibility with EPDM rubber makes it an excellent choice for ignition system applications, providing a high voltage seal to secondary ignition wires and effectively suppressing voltage leaks on the inner distributor cap surface. With a user-friendly design and a 4.7-star rating from satisfied customers, the Motorcraft XG3A is a reliable and efficient solution to your automotive lubrication needs.

Genuine Ford Fluid XG-12 Electrical Grease for Electrical Connections

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The Genuine Ford Fluid XG-12 Electrical Grease is a must-have for automotive enthusiasts looking to lubricate and protect their electrical connectors. With 3 fluid ounces of non-corrosive film, this grease ensures a long-lasting and efficient performance. Its formula specifically targets electrical switches and contacts, keeping your connectors safe from oxidation and corrosion damage.

This dielectric grease is the ultimate choice for maintaining your car’s electrical system to the highest standards. Enjoy the peace of mind that comes with using a high-quality product like the Genuine Ford Fluid XG-12 Electrical Grease.

Dielectric Grease for Electrical Connections — Improves Performance and Longevity

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I recently tried Gardner Bender’s Gcd-003 Dielectric Grease and I must say, it’s a game-changer for my outdoor electrical connections. Living in a coastal area, I’m all too familiar with the corrosive effects of salt spray and the dangers of water access. This grease not only prevents water from reaching my connections but also improves their performance in adverse conditions.

It’s incredible how much peace of mind it gives me knowing my outdoor electrical installations are well protected. Plus, it’s safe for ozone and made from a silicone compound.

The only downside? I had to assemble my electrical components myself, but that’s a small price to pay for the reliability and longevity this grease has given me.

Super Lube Dielectric Grease: High-Performance Lubricant for Industrial Applications

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Super Lube’s 100 pack of multi-purpose synthetic grease is here to save the day. This industrial lubricant is designed to protect machinery from wear and tear, rust, and corrosion.

With a temperature range of -45 to 450 F, it’s perfect for those rough, unpredictable environments. The Net Volume of just 1 ml ensures that the grease won’t go to waste, while the NLGI grade of 2 makes it extra heavy-duty.

The Four Ball Weld Point of 400 kg demonstrates its strength, and the Dropping Point being greater than 500 F guarantees that this grease won’t budge from where it’s applied. Not to mention, it’s compatible with most other lubricants, saving you the hassle of replacing all your existing tools. Plus, its user-friendly packaging and easy application make it a real crowd pleaser.

However, before you dive in, remember that it might melt or separate in extreme heat. But with its excellent benefits, it’s a small price to pay for the peace of mind it provides.

Ancor 700115 Dielectric Grease for Electrical Connections

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The Ancor 700115 Dielectric Silicone Compound is a reliable choice for protecting electrical connections from corrosion and ensuring optimal performance. Its specially designed silicone formula offers long-lasting protection, reducing resistance and minimizing the risk of oxidation. This versatile product can withstand extreme temperatures from frosty -40 degrees to scorching hot 500 degrees Fahrenheit, making it suitable for a wide range of applications.

With its waterproof properties and compact size, the 1/3 ounce tube is perfect for protecting valves, plugs, and rings from the elements. Whether you’re a professional or a DIY enthusiast, this Ancor Dielectric Silicone Compound is an invaluable tool for maintaining the integrity of your electrical connections.

Eco-Friendly Super Lube Silicone Dielectric Grease for Electrical Sealing

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Using Super Lube Silicone Dielectric Grease in my daily life has saved me from countless electronic mishaps. Its heavy consistency and resistance to moisture make it a reliable choice for sealing and protecting my electrical connections.

I particularly love its compatibility with rubber and plastic compounds and its ability to withstand harsh temperatures, both hot and cold. Plus, the food-grade quality and UV additive for traceability give me peace of mind. The one downside I’ve noticed is that it’s not the easiest to apply, but overall, its advantages far outweigh the minor inconvenience.

Morimoto A61 Dielectric Grease for Electrical Connections

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Indulge in exceptional electrical protection with Morimoto’s A61 Dielectric Grease, also known as LectricLube. This state-of-the-art grease showcases a self-penetrating cap and tube for effortless application, and it’s formulated with a 3oz composition of Morimoto Green. It effortlessly stands up to extreme environments, thanks to its flash point of 200F and an impressive temperature range of -50C to +200C.

This grease also exhibits resistance to a wide variety of chemicals and is compatible with most plastics and rubber materials. Its outstanding water-repellent properties and oxidation resistance make it an indispensable asset for ensuring top-notch performance in all climates.

Moreover, Morimoto A61 Dielectric Grease is non-toxic and non-melting, ensuring that it maintains flexibility and efficacy even after prolonged usage. Whether you require a dependable lubricant or release agent, or just an exceptional moisture barrier, Morimoto A61 Dielectric Grease caters to your needs.

Buyer’s Guide

Dielectric grease is a high-voltage insulating compound that prevents electrical leakage and corrosion, especially in automotive and electronic applications. This buyer’s guide will provide essential information about the essential features, considerations, and general advice for dielectric grease to help you make an informed purchasing decision.

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What are dielectric greases and their importance?

Dielectric grease is a type of insulating material that is designed to protect components, circuits, and devices from high-voltage leakage and corrosion. It is specifically formulated to resist the effects of temperature, humidity, and mechanical stress, making it an ideal choice for automotive, electronic, and industrial applications.

Types of dielectric greases

Dielectric grease is available in various types, depending on the specific application requirements. Some common types include low-voltage grease, high-voltage grease, and heat-resistant grease. It is essential to select the appropriate type based on the operating voltage and temperature range of the device or system requiring protection.

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Factors to consider when choosing dielectric grease

When selecting dielectric grease, consider the following factors to ensure the best performance and protection:

  1. operating voltage and temperature range, 2) mechanical compatibility with the components and devices, 3) resistance to UV radiation, as some applications involve prolonged exposure to sunlight, and 4) safety and environmental considerations.

Application considerations and precautions

To ensure optimal performance and safety when using dielectric grease, follow these application considerations and precautions:

  1. read and follow the manufacturer’s instructions, 2) use the appropriate tools and equipment to apply the grease, such as syringes or dielectric grease guns, 3) apply an even and consistent layer of grease to prevent gaps or voids, and 4) avoid over-application, as excess grease can lead to increased resistance and potential safety hazards.
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FAQ

What is Dielectric Grease?

Dielectric grease is an essential electrical insulator that prevents moisture and contaminants from entering electrical connections. It is commonly applied to the joint between two electrical conductors to reduce the risk of corrosion, oxidation, and other detrimental issues. Dielectric grease is widely used in various sectors, including automotive, industrial, and electrical, where the prevention of moisture ingression is crucial for the longevity and functionality of electrical components.

Dielectric grease comes in different forms, such as liquid, paste, and aerosol, making it suitable for various applications. Its hallmark properties include high dielectric strength, excellent resistance to environmental factors, and non-conductivity, making it an ideal choice for insulating electrical connections.

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What are the Different Types of Dielectric Grease?

Dielectric grease is available in several types, including:

  • Liquid Dielectric Grease: Ideal for use in areas where moisture resistance is critical. It can be applied using a brush or a squeeze bottle and cures to a semi-liquid or solid state.
  • Paste Dielectric Grease: Suitable for applications requiring a more durable and long-lasting insulation. It can be applied using a brush or a squeeze tube and cures to a solid state.
  • Aerosol Dielectric Grease: Available in aerosol cans, making it easy to apply to electrical connections. It provides a durable barrier against moisture and environmental factors.

Selecting the right type of dielectric grease depends on the specific application requirements, environmental conditions, and desired level of moisture resistance. Always consult the product label and specifications before making a purchase to ensure the appropriate type is chosen for the intended use.

How is Dielectric Grease Applied?

Dielectric grease can be applied using various methods, depending on the type of dielectric grease being used:

  1. Liquid Dielectric Grease: This type can be applied using a squeeze bottle or a brush. Apply generously to the joint between the electrical conductors, ensuring all surfaces are fully coated.
  2. Paste Dielectric Grease: Apply generously to the joint between the electrical conductors using a brush or a squeeze tube. Apply in an even layer, ensuring all surfaces are fully coated.
  3. Aerosol Dielectric Grease: Spray onto the electrical connection, holding the can about 8–12 inches away. Apply in a sweeping motion, ensuring all surfaces are fully coated.

Follow the manufacturer’s instructions for application, ensuring the correct amount is used and all surfaces are fully coated. Failure to apply the dielectric grease correctly may result in inadequate protection and potential damage to electrical components.

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What is the Shelf Life of Dielectric Grease?

Dielectric grease has a relatively long shelf life, typically ranging from 2 to 5 years, depending on the specific type and manufacturer. Unopened containers of dielectric grease can be stored at room temperature for an extended period without significant degradation. However, once the container is opened, it is essential to use the dielectric grease within a reasonable amount of time to maintain its effectiveness.

Check the product label for specific storage and shelf life information. Proper storage of dielectric grease, such as in a cool, dry place away from direct sunlight, can help extend its shelf life and maintain its effectiveness for use when required. If there is any doubt about the effectiveness of the dielectric grease, it is always best to replace it with a new, fresh product.

What is the Difference between Dielectric Grease and Conventional Grease?

Dielectric grease and conventional grease differ significantly in terms of their properties and applications. Conventional grease is typically used for lubricating mechanical components, such as bearings and gears, and is characterized by its high lubricity and load-carrying capacity. However, conventional grease is generally not suitable for use in electrical applications due to its conductive nature.

Dielectric grease, on the other hand, is designed specifically for use in electrical applications to prevent the ingress of moisture and contaminants into electrical connections. Its unique properties include high dielectric strength, excellent resistance to environmental factors, and non-conductivity. These properties make dielectric grease an ideal choice for insulating electrical connections and preventing damage to critical electrical components.

Is Dielectric Grease Safe to Use Around Food or in Food Processing Equipment?

Dielectric grease is generally considered safe to use around food and in food processing equipment. However, it is essential to choose a dielectric grease specifically designed for use in food processing applications. Dielectric greases approved for food contact should be clearly labeled as such and meet the requirements set forth by relevant regulatory agencies, such as the US Food and Drug Administration (FDA).

Always consult with the manufacturer and ensure that the dielectric grease being used meets all necessary safety and regulatory requirements before using it in food processing equipment or areas where food is present. Proper use of dielectric grease in food processing equipment can help prevent contamination and ensure the safety of food products being produced.

As an Amazon Associate I receive compensation through qualifying purchases.

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