Loctite Vs Permatex 2023: Threadlockers & Sealants

Loctite Vs Permatex 2023 Threadlockers & Sealants

A few different types of adhesives are commonly used when repairing or assembling objects: epoxy, superglue, and adhesive tape. Two of the most popular types of adhesive are Loctite Vs Permatex. They both have their pros and cons, so which one you choose to use depends on the specific situation. Keep reading this article; Byboe will let you know the difference between them?

Loctite and Permatex


Permatex celebrated its 100th birthday in 2009. Permatex has survived through tough times and fierce competition despite changing ownership several times.

Permatex founder Constant A. Benoit Sr. had founded the company with a bang. He had created shellac for bicycles in 1909.

It was able to bond the tires to the wheels to enable the bikes to run faster and traverse more challenging terrain.

He then ventured into the automotive industry, introducing gasket cement for racing cars. It was a long, impressive journey that saw him invent more than 350 products to improve service technology.

Permatex products are generally classified as automobiles and motorcycles, the marine industries, heavy-duty applications, and heavy-duty.

Their products include:

  • Sealants and adhesives
  • Lubricants
  • Gasketing
  • Thread compounds
  • Cleaners and degreasers
  • Laundry detergents
  • Care for your hands
  • Repair and maintenance that is specialized

Loctite or Permatex


Professor Vernon K. Krieble was one of the few college professors who built a multi-billion dollar company.

He invented the anaerobic thread locking adhesive in 1953. He founded the American Sealants Company to market his product. His daughter-in-law suggested that the name be changed to Loctite a few years later.

Soon after, Professor Vernon died. In 1963, Robert H. Krieble (a chemist) took the torch. He expanded the company and introduced many new products.

Henkel purchased Loctite in 1997 and moved its headquarters from Connecticut to Dusseldorf (Germany). Loctite also took admirable steps to go green and focus on sustainable tech.

Loctite has two main groups of products: Build and Fix.


This is primarily a resource for professionals seeking help with the most challenging projects. There is also a DIY-friendly section, but it’s only for skilled in the craft. These items include:

  • Construction adhesives
  • Polyurethane foam
  • Sealants
  • Epoxies
  • Specialty glues
  • Surface treatment
  • Spray adhesive


The Fix part is mainly for small projects, DIYs, and routine repairs. This line includes:

  • General-purpose adhesives
  • Get in touch with adhesives

Permatex Vs Loctite Comparison

Permatex Vs Loctite Comparison

Permatex Threadlocker Vs Loctite Threadlockers

Both brands have thread locker products that are nearly identical. You won’t notice any difference in general usage of the thread locker products from both brands.

However, there are two minor details.

Permatex also offers gel twist-type thread lockers such as the 24010.

It is essentially the same product as the Permatex 24200 and Loctite 242. It does have two significant improvements.

Supports larger fasteners: 1/4″ to 1’’ instead of the usual 1/4″ to 3/4’’.

It is much easier to apply the gel, especially for vertical applications.

Permatex’s fixture time is slightly slower than Loctite 242. It will take around 20 minutes to set, while Loctite 242 takes 15 minutes. Both cure fully after 24 hours.

Note: Loctite243 is a medium-strength threadlocker that doesn’t require gels. It’s a modified version of 242 and 24200, primerless and oil-resistant.

This keeps fasteners even tighter and doesn’t require cleaning the thread sealants thoroughly before using them.

There is no difference in the Permatex and Loctite thread lockers. For strength and hold, they even have the same color scheme.

Purple for low strength

Medium strength blue

Red for permanent (high) strength

Blue thread lockers are suitable for 90% of your projects. You can find more information on Loctite thread lockers here.

Check out the Permatex 24200 to see what others have to say. Loctite 243 is my preferred medium strength product, as I have already stated.

Permatex Thread Sealant Vs Loctite

Permatex Thread Sealant Vs Loctite Thread Sealant

To bind structures, thread sealants were invented. They are not easily removed by simple measures such as thread lockers. They are used in many mechanical systems, including plumbing, waste management, and air conditioning.

Both brands are almost identical. The specifications of the Loctite 565 vs Permatex 56521 are similar.

Both can be used on NPT thread sealants up to 2 inches in diameter, can withstand temperatures up to 300°F, and withstand pressures up to 10,000 PSI.

Permatex Vs Loctite Gasket Makers

Permatex Vs Loctite Gasket Makers

These adhesives can be used for emergencies or to replace a gasket. It is non-corrosive and resists solvents. You can remove it with a putty blade at any time.

The Permatex 51813 Anaerobic gasket maker and the Loctite518 Gasket sealant slightly differ. Both fill small gaps. The Permatex 51813 Anaerobic Gasket Maker is 0.01 inches, while the Loctite 518 Gasket Sealant is 0.015 inches. This difference is not significant.

Loctite Vs. Permatex: Products

Comparing products from different brands can be difficult. However, it is easier to compare products from the same manufacturer.

We will compare the Loctite products based on their color codes. This is to make it easier for you to identify them. Continue reading to see Loctite Blue 242, Loctite Blue243, and Loctite Purple 222.

Loctite Threadlocker Blue 242-Heavy Duty Threadlocker

Loctite Threadlocker Blue 242-Heavy Duty Threadlocker

This adhesive is specifically formulated to seal and lock threaded fasteners.

It can cure in the absence of air. It protects threads against corrosion and rust and prevents loosening, often caused by shock and vibration.

Locktite Threadlocker blue 242 can be used in various applications, including stainless steel and plated surfaces. It has a very long shelf life.


Fast setting: The adhesive cures in 24 hours and sets in just 20 minutes

Medium strength: This adhesive is medium and easy to take off with a handtool whenever necessary.

The versatile: Loctite threadlocker blue 242 can power miniature motors, mowers, and other types of power equipment. It can also be used for metal fasteners with diameters between 6mm and 19mm, such as ring gear bolts or small engines.

High performance: This adhesive is robust and durable. It is durable, long-lasting, and strong. After using the glue, frame bolts and cap screws will not come loose.

Non-flammable: It is non-flammable and gasoline-friendly. It is incredibly safe to use.

Loctite 243 blue threadlocker

Loctite 243 blue threadlocker

Loctite 243 Threadlocker, a medium-strength adhesive with enhanced oil tolerance, is a general-purpose adhesive.

The mild, pleasant scent of this Threadlocker is not offensive. This threadlocker is suitable for fasteners with a diameter between 1/4 inches and 3/4 inches.

Loctite243 is indestructible to brake fluids and acetone and ethanol, leaded petrol, and ethanol. At 22 degrees Celsius, a complete cure can be achieved within 24 hours.

It can be used for any threaded purpose. It can be used to attach bolts and screws to small machines. It is easy to remove the bolts and screws whenever you need them.

This Threadlocker should be kept in every toolbox. Locktite 2440 is recommended to be replaced by Loctite243. Loctite 2440 Threadlocker is now obsolete.

The Threadlocker can be used for copper, brass, and plated surfaces.


Vibration-resistant: The Loctite 243 threadlocker is the best way to secure nuts, bolts, and screws. It holds everything in place and doesn’t vibrate at all.

Temperature-resistant: It is resistant to temperature. The Threadlocker will continue to hold up at temperatures as high as 360 degrees Fahrenheit.

Oil-resistant -Loctite243 is oil-resistant and tolerant. Minor oil contamination can be tolerated.

Medium strength: This is the medium-strength version of the thread locker. This means that it can be removed easily with any hand tool when the screws, nuts, or bolts are no longer required.

The Threadlocker is very easy to use. The hardware can be secured to any surface without surface preparation.

Permatex 27100 High Strength Threadlocker Red

Permatex 27100 High Strength Threadlocker Red

Look no further if you’re looking for a thread lock that forms into an adhesive bond. Permatex 27100 is the best choice.

This thread-locking adhesive is high-strength and can be used to seal threads together without air. It is resistant to shock, leakage, vibration, and vibration after curing.

It is not only chemical-resistant; it is also temperature-resistant from between -50 degrees Centigrade to 150-degree Centigrade.

It can be used on eyeglasses screws and headlight screws and console assemblies, soundproofing, electrical components boxes, and plastic knobs.

Other options include dashboard accessories and suspension fasteners.

It is easy to take out the thread locker using heat or other special tools. Permatex 27100 seals threads to prevent rust, corrosion, and leakage. This high-strength thread locker will let you say goodbye to thread vibration and loosening.


3000 PSI: The thread locker has 3000 PSI and is designed to provide strong hardware bonds.

Easy application: Before applying the tube, shake it. It is not necessary to mix it with other substances. Apply directly to screws, nuts, and bolts

Chemical resistant: This thread locker is chemical resistant, making it ideal to be used in applications where chemicals are inevitable

It can withstand temperatures, making it suitable for indoor and outdoor use.

Easy to remove: Heat or use special tools to remove the thread locker.

To remove the thread locker, special tools are required.

Permatex 24200 Medium Strength threadlocker blue

Permatex 24200 Medium Strength threadlocker blue

This medium-strength, all-purpose thread locker can be used for all nut-and-bolt applications between 1/4 and 3/4 inches.

The thread locker is a cost-effective alternative to expensive lock nuts or washers. It seals and locks hardware securely while preventing vibration-induced loosening.

The thread locker protects threads from corrosion. This thread locker is easy to disassemble with hand tools. These can be used for water pump or carburetor bolts, drive shaft bolts, rocker arms adjustment bolt threads, and other applications.

It can be used on various metal parts, but it is not recommended for plastics. It is easy to use the thread locker. To clean and dry the surface, you will need to use the Permatex Surface Prep activater before applying the thread lock.

To work efficiently, it needs air. Permatex 24200 blue is available as a gel or liquid. The gel does not drip, which reduces waste.


It is easy to use Permatex 24200 blue. It is straightforward to use. Before using, shake the tube well.

Temperature resistance: The product can withstand temperatures between -65 and 300 degrees Fahrenheit. This makes it suitable for both internal and external uses.

It is easy to remove: The medium-strength locker can be withdrawn at any time. You can easily disassemble the vault with a hand tool

Robust performance: The thread locker is more durable than conventional nylon inserts, lock washers, and other mechanical methods that may be used. The thread locker protects all fasteners and prevents them from loosening due to vibrations.

It’s a money saver. You can save money on expensive lock nuts and washers.

Loctite Vs. Permatex: Conclusion

There is no definitive answer as to which is the better product. Adhesives are used in many applications, and different situations require different adhesives. Choosing the suitable adhesive for the problem at hand can save you time and money, allowing you to focus on more important matters. We hope that our comparison was helpful.

And if you want to see other glue fabrics, let’s check out our best glue fabric in 2023 on our website to choose the right one for your projects.

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