The Best Anti Seize Lubricants

Cassidy Collins
15 min readApr 19, 2024



Looking for the perfect lubricant to protect your machine parts and ensure seamless operations? Look no further! In this article, we’ll be exploring the best Anti Seize Lubricants that provide the perfect balance of protection and performance. Get ready to delve into the world of anti-friction technology and discover the best products to keep your machines running like a dream.

The Top 10 Best Anti Seize Lubricants

  1. CRC SL3331 — Extreme Pressure Anti-Seize Engine Lubricant — CRC-SL3331: A top-tier lubrication solution designed for optimum performance under intense pressure, featuring ep additives to safeguard from scuffing and corrosion, ultimately securing robust and dependable engine operation.
  2. Permatex Anti-Seize Lubricant for Easy Maintenance and Metal Parts Assembly — Effortlessly maintain and assemble metal parts in extreme conditions with Permatex 80078 Anti-Seize Lubricant, providing unrivaled resistance to corrosion, galling, and seizing.
  3. High-Performance Nickel Anti-Seize Lubricant — Shield metal components from intense temperatures and pressures with Permatex 77164 Anti-Seize Lubricant, which boasts copper-free technology that is compatible with stainless steel, titanium, and nickel alloys.
  4. Permatex Copper Anti-Seize Lubricant 16 oz. — Reliable copper anti-seize lubricant: Prevents seizing and corrosion with robust rust and corrosion inhibitors, operating in a wide temperature range.
  5. Super Lube Food-Grade Anti-Seize Lubricant for Effortless Use — Super Lube 48160: NSF-registered food-grade anti-seize lubricant, preventing rust, corrosion, and friction, ideal for metal parts in high-temperature environments.
  6. Loctite 38650 Copper Anti Seize Lubricant: Severe Environment Protection — Loctite 38650 Copper Anti Seize Lubricant Brush Top — Your reliable shield against harsh conditions, safeguarding parts and providing electric conductivity.
  7. Dynatex Industrial Copper Anti-Seize Lubricant for Electrical Compatibility — Experience effective protection and lubrication with Dynatex 49582 Industrial Copper Anti-Seize Compound Paste, the ideal solution for industrial applications that require robust anti-seize and efficient electrical conductivity.
  8. High-Temperature Copper Anti-Seize Lubricant — Experience the power of superior quality with CRC’s Sta-Lube Copper Anti-Seize, a heat-resistant and electrically conductive lubricant that protects parts up to 1800°F, available in a 16 oz. bottle.
  9. Loctite Copper-Based Anti-Seize Lubricant: 1 lb Can — Experience exceptional clamp load, exceptional performance, and exceptional protection against rust, corrosion, and seizing with LOCTITE C5-A Copper Based Anti-Seize Lubricant — the ultimate solution for all anti-seize needs.
  10. Loctite 37565 Silver Anti-Seize Lubricant: 8 oz Bottle — Loctite 37565 Silver Anti-Seize Lubricant: Fortified with graphite and extreme pressure additives, the heavy-duty 37565 lubricant is temperature-resistant and ideal for assemblies up to 1600°F, preventing seizing, galling, and corrosion.

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CRC SL3331 — Extreme Pressure Anti-Seize Engine Lubricant


CRC’s Extreme Pressure Anti-Seize Engine Assembly Lube is a trusted solution for those in need of a robust and dependable lubricant. The lube is designed to prevent scuffing, scoring, galling, and seizing while adhering to metal surfaces and remaining active over extended periods of storage. Furthermore, it contains Lithium 12 Hydroxy Sterate Base with Molybdenum and Graphite, offering a high-quality product that exceeds industry standards.

One of the standout features of this lube is its ability to resist washout, which ensures that the lubricant maintains its performance and effectiveness. This not only helps to extend the lifespan of equipment but also prevents corrosion, which can be a significant issue in harsh environments. Additionally, the lube is specifically formulated to prevent marking or pitting of equipment surfaces, ensuring a clean and polished finish.

Another advantage of using this lube is its ability to reduce torque and eliminate heat freezing, which can be beneficial in high-stress applications. Furthermore, it minimizes wear on metal-to-metal contact points, preventing damage and extending the working life of components. And because it never becomes brittle, the lube remains effective even in challenging conditions.

One downside to this lube is its strong odor, which can be a concern for those working in enclosed spaces or who are sensitive to fragrances. However, on the upside, the lube is non-flammable and safe for use in most environments, making it a versatile solution for various applications.

In summary, CRC’s Extreme Pressure Anti-Seize Engine Assembly Lube is a high-quality lubricant that provides excellent performance and protection for equipment and components. Although it has a strong smell, its ability to resist washout, prevent corrosion, and minimize wear on metal surfaces makes it a worthwhile investment for those seeking a reliable lubricant solution.

Permatex Anti-Seize Lubricant for Easy Maintenance and Metal Parts Assembly


The Permatex Anti-Seize Lubricant is a top-notch product that has made maintaining vehicles a breeze. Its blend of mineral oil, petroleum distillates, calcium oxide, aluminum, and graphite makes it perfect for preventing components from seizing, galling, or corroding due to the elements or exposure to chemicals. The lubricant is ideal for spark plugs, bolts, oxygen sensors, and other metal parts, making them easier to remove for repairs and replacements.

This anti-seize lubricant is not only suitable for marine applications, as it resists salt and moisture, but also works exceptionally well in environments with temperatures reaching up to 2000°F (1093°C). Its easy-to-apply formula ensures a smooth assembly process, making parts fit together effortlessly. With its impressive performance and convenience, the Permatex Anti-Seize Lubricant is a must-have for any vehicle owner.

High-Performance Nickel Anti-Seize Lubricant


The Permatex anti-seize lubricant, nickel-based, is a must-have for those who are looking to protect their metal parts from seizing and galling. Its high rating and consistent reviews from users speaks to its effectiveness and reliability.

This product’s copper-free formula is perfect for use under extreme conditions of pressure or heat, making it suitable for a variety of metals such as stainless steel, titanium, and other nickel alloys. The lubricant works ideally for parts where easy disassembly is necessary. It’s not only safe for high-temp applications, but also helps in rust prevention, making it an essential product in any workshop.

Even though one downside is the fill level, which may make cleaning the brush difficult, this is still a solid and efficient product.

Permatex Copper Anti-Seize Lubricant 16 oz.


I recently tried the Permatex 31163 Copper Anti-Seize Lubricant in a high-temp vehicle restoration project and I have to say it exceeded my expectations. The formula is rich with copper flakes and fortified with rust and corrosion inhibitors, so it was perfect for protecting my metal-on-metal joining points without causing issues. Its temperature range is impressive, going from -30°F all the way up to 1800°F, which meant I could use it confidently in a wide range of conditions.

One thing that stood out was the built-in brush applicator that comes with the bottle. It’s large and sturdy, but it was easy to maneuver and apply just the right amount of grease. The product also claims to have good electrical conductivity, which was crucial in keeping the electrical flow in my vehicle smooth and hassle-free.

However, one drawback I noticed was the small cap on the bottle. It could be a bit difficult to open and close again once it’s closed. But overall, I would highly recommend this product for anyone who needs reliable, high-quality anti-seize lubricant for any project.

Super Lube Food-Grade Anti-Seize Lubricant for Effortless Use


Super Lube’s Food Grade Anti-Seize Lubricant is a high-quality, heavy-duty synthetic formula designed to prevent galling, corrosion, and seizing on metal surfaces. With its metal-free formula, this lubricant also protects against friction and wear in threaded joints. It meets strict OSHA and RoHS regulations and is certified by NSF with an H1 rating for incidental food contact, making it suitable for use in manufacturing facilities or other high-temperature environments.

Its translucent, semi-solid form adheres well to metal surfaces, providing superb lubrication and protection with minimal mess. This lubricant is non-flammable, so it can be safely used in a variety of settings, and its specific gravity and viscosity ensure efficient application.

Loctite 38650 Copper Anti Seize Lubricant: Severe Environment Protection


I recently had to work on a project involving metal parts, and I had the chance to try out Loctite 38650 Copper Anti-Seize Lubricant Brush Top. It was designed for severe environments and promised to protect against heat, heavy load weights, chemicals, pounding, and vibrations. I put it to the test, and I must say it exceeded my expectations.

This lubricant provided excellent protection, and I was impressed by its ability to withstand a wide temperature range of -30°F to 1800°F while providing good electric conductivity. One of the best features is that it made the assembly and disassembly process so much easier. I could easily slip fit, press fit, and threaded joints without any issues.

However, I did notice that it required a bit of caution when applying it to avoid getting it on my skin, as it can be an irritant. But overall, I’m very happy with my experience using this product. It’s durable, effective, and has made my work on metal parts much smoother. I highly recommend Loctite 38650 Copper Anti-Seize Lubricant Brush Top for anyone working with severe environments and high-temperature applications.

Dynatex Industrial Copper Anti-Seize Lubricant for Electrical Compatibility


Dynatex’s 49582 Industrial Copper Anti-Seize and Lubricating Compound Paste is a top-notch choice for industrial-grade applications. Known for its heavy-duty, cost-effective nature, this product excels in protecting against corrosion between dissimilar metals. It efficiently prevents carbon fusion and seizure up to an impressive 2000 degree Fahrenheit.

The added benefit of providing good electrical conductivity makes it a desirable option for various uses. However, it must be mentioned that it caters specifically to electronic products and requires voltage compatibility solutions for Indian users.

Reviews highlight its versatility and effectiveness, making it a reliable and highly-rated choice in the market.

High-Temperature Copper Anti-Seize Lubricant


For almost five decades, CRC has earned the trust of technicians, drivers, and distributors alike by delivering top-notch products that exceed expectations. Their commitment to quality, consistency, and new technology is evident through their ISO 9001:2000 certified facilities.

The Sta-Lube Copper Anti-Seize is a versatile lubricant specifically designed to prevent seizing caused by various factors including high temperatures, heavy loads, vibrations, and corrosion. This copper-based, electrically conductive product is safe for use on both ferrous and non-ferrous metals, ensuring minimal impact on your metal parts.

Additionally, its high-temperature resistance protects parts up to 1800°F, making it an indispensable tool for professional technicians and DIY enthusiasts alike. With 17 reviews and an impressive average rating of 4.9, it’s evident that users have been consistently satisfied with the performance and value of this high-quality anti-seize lubricant.

Loctite Copper-Based Anti-Seize Lubricant: 1 lb Can


Loctite C5-A, a copper-based anti-seize lubricant, is designed to protect and maintain various metal and non-metal parts. Its unique formula suspends copper and graphite in a high-quality grease, allowing for easier removal of mated parts and preserving their cleanliness. This lubricant is ideal for applications in petroleum chemicals, steel mills, power plants, marine, and foundries, and can withstand an operating range of -29°C to 982°C.

Using this product ensures greater clamp loads and prevents metal parts from rust, corrosion, galling, and seizing. Its non-conductive nature means it can be applied to a wide range of materials, including brass, copper, cast iron, steel, stainless steel, plastics, and non-metallic gasketing materials. The Loctite C5-A is CFIA Approved and meets MIL-PRF-907E standards, offering a reliable solution for original equipment and maintenance applications.

As per customer reviews, Loctite C5-A has proven to be effective in its intended purpose, with a 5-star rating and positive comments about its performance. This non-volatile lubricant is an excellent choice for those seeking high-performance, anti-seize protection in a variety of industrial and mechanical settings.

Loctite 37565 Silver Anti-Seize Lubricant: 8 oz Bottle


The Loctite 37565 8 oz Silver Anti-Seize Lubricant is a top-notch product that excels in various high-temperature environments. One of the key highlights of this lubricant is its ability to tolerate temperatures up to 900°C, making it ideal for assemblies that experience such extreme conditions.

Moreover, this lubricant stands out for its heavy-duty nature and is made from a petroleum-based compound, fortified with graphite and metallic flake. This ensures that it will not evaporate or harden in extreme cold or heat. The product is also designed to prevent seizing, galling, and corrosion, which are common issues in various mechanical assemblies.

The Loctite 37565 8 oz Silver Anti-Seize Lubricant is suitable for use in assemblies up to 1600°F (871°C), and is commonly used in many industries and applications. Users praise its performance and durability, and state that it has made their work significantly easier. The product’s easy-to-use container and brush applicator are also appreciated by reviewers.

However, one downside mentioned by a few users is the tendency for the lubricant to separate over time, requiring users to stir it up before use. But overall, the product continues to impress users due to its impressive range of features and performance in harsh conditions.

Buyer’s Guide

When it comes to choosing the right anti-seize lubricant for your needs, there are several factors to consider to ensure that your equipment or machine runs smoothly and efficiently. This buyer’s guide will provide you with essential information on the features of anti-seize lubricants, key considerations, and general advice to help you make an informed decision. Remember to always read and follow the manufacturer’s instructions to achieve optimal results.


Important Features to Look For in Anti-Seize Lubricants

  1. Corrosion Protection: High-quality anti-seize lubricants should have excellent corrosion protection properties. Look for those that contain rust inhibitors, are resistant to various chemicals, and can withstand extreme temperatures. This will help protect your equipment or machine from premature wear and tear caused by corrosion.

Key Considerations When Choosing Anti-Seize Lubricants

  1. Application: Different anti-seize lubricants are designed for specific applications, such as metallic surfaces, plastics, or rubber. Ensure that the lubricant you choose is suitable for the material you will be working with and provides the correct type of protection and lubrication. Consult the manufacturer’s recommendations for the best products.

General Advice on Using Anti-Seize Lubricants

  1. Proper Application: Always apply anti-seize lubricants according to the manufacturer’s instructions. Make sure to cover all surfaces and threads evenly. Over-application can cause excess waste, while under-application may not provide the intended protection and lubrication benefits. Use clean applicators to prevent contamination.

Additional Tips for Choosing and Using Anti-Seize Lubricants

  1. Compatibility: Some anti-seize lubricants may not be compatible with certain materials or other cleaning agents. Always check the manufacturer’s guidelines to ensure that the product you choose is safe to use with the specific materials and cleaning agents you plan to use. This will help avoid any potential damage to your equipment or machine.


What is the main function of a thread locker?

A thread locker, also known as an anti-seize lubricant, is a substance applied to threads to prevent them from loosening, seizing, or corroding during assembly. By doing so, it helps reduce friction and protect the surfaces of the threaded components from wear and tear. The result is a secure and long-lasting joint in various applications, including plumbing, automotive, and industrial settings.

To select the right thread locker for a particular application, it’s crucial to consider the material, size, and type of threads being used. There are several types of thread lockers available, each designed for specific purposes. For instance, liquid thread lockers are suitable for plastics, while permanent thread locks are more appropriate for metal surfaces.


What are the main distinctions between different types of thread lockers?

Four common types of thread lockers include 1) liquid thread lockers, 2) permanent thread locks, 3) semi-permanent thread locks, and 4) non-permanent thread locks. Liquid thread lockers are best for plastics, while permanent thread locks are ideal for metal surfaces. Semi-permanent thread locks provide a balance between strength and ease of disassembly, while non-permanent thread locks are more suitable for applications where components need to be dismantled frequently.

To ensure the longevity and reliability of the joint, it’s essential to follow the manufacturer’s instructions for proper application and removal. Different types of thread lockers may have varying levels of permanence and compatibility with certain materials, so it’s crucial to choose the appropriate product based on the specific application and material being used.

How should I apply a thread locker to threads?

To apply a thread locker to threads, follow these steps:

  1. Clean the threads thoroughly to remove any dirt, dust, or debris that may interfere with the lubricant’s effectiveness. 2) Apply a small amount of lubricant to the threads, ensuring that it covers all the contact surfaces of the mating components. 3) Assemble the components, applying gentle torque to avoid overtightening, which may cause damage to the parts or compromise the effectiveness of the lubricant. 4) If needed, disassemble the components and reapply the lubricant for reassembly.

Remember to follow the manufacturer’s guidelines for the specific thread locker and material being used. Over-application or inadequate lubrication may affect the performance and longevity of the joint. Additionally, it’s crucial to use the lubricant as directed, with proper curing time if necessary, to ensure optimal effectiveness.


What are some common errors when using a thread locker?

Common mistakes when using thread lockers include:

  1. Applying too much lubricant, which can lead to excess buildup and potential damage to the components. 2) Inadequate cleaning of the threads, which may result in uneven or weak lubrication. 3) Incorrect assembly technique, such as overtightening or applying excessive force, which may damage the joint or compromise the effectiveness of the lubricant. 4) Using a lubricant with a different level of permanence or incompatibility with the material being used.

Avoid these mistakes by following the manufacturer’s instructions for proper application and removal of the lubricant. Additionally, use the appropriate type and amount of lubricant for the specific application and material being used. Proper assembly and cleaning techniques are also essential to ensure optimal performance and longevity of the joint.

What are some alternative options to a thread locker?

Alternatives to thread lockers include:

  1. sealing tape, which provides a barrier against the passage of fluids and gases while also reducing friction. 2) graphite powder, which can be applied to threads as a lubricant and provides a protective coating against corrosion. 3) heat treating, which is a process that alters the surface properties of the metal to improve its corrosion resistance and lubricity.

While alternatives can be effective in specific situations, thread lockers remain the most widely used and trusted option for preventing thread seizing and corrosion. It’s essential to choose the appropriate product based on the specific application and material to ensure the longevity and reliability of the joint. Additionally, following the manufacturer’s instructions for proper application and removal is crucial to achieve optimal performance and durability.

What are the benefits of using a thread locker in industrial applications?

Thread lockers offer numerous advantages in industrial applications, including:

  1. Preventing seizing and galling, which can cause threads to damage and weaken over time. 2) Reducing friction between mating components, which improves assembly and disassembly processes and extends the life of the components. 3) Corrosion protection, which prevents chemical reactions between the metal components and the surrounding environment. 4) Preventing galling, a process in which the metal components weld together, which can cause significant problems in high-torque applications.

These advantages not only improve the overall performance and longevity of the components but also increase efficiency and reduce maintenance costs. It’s essential to choose the appropriate thread locker for the specific application and material to ensure optimal performance and durability. Additionally, following the manufacturer’s instructions for proper application and removal is crucial to achieve the best results in industrial applications.

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