Is permatex as good as Loctite?

Is permatex as good as Loctite?

The Loctite Heavy Duty 242 Blue Threadlocker is actually identical to the Permatex 24200. Totally interchangeable. On the other hand, the Loctite 243 Medium Strength is a noteworthy product, which Permatex doesn’t match. It provides a higher tolerance to oil and works well on all types of metals.

What is the difference between Loctite 515 and 518?

Loctite 515 : Gasketing product for machined metal flanges. Loctite 518 : Medium-strength, general purpose gasketing product – excellent contamination tolerance. Ideal for use on casted iron, steel and aluminum flanges.

How do you use Permatex High Temp Thread Sealant?


  1. For best results, clean parts with Permatex Surface Prep activator.
  2. Knead tube of Thread Sealant before use.
  3. Apply sealant to leading threads of the male fitting, leaving the first thread free of sealant.
  4. Assemble parts and tighten to recommended torque.

Is Loctite Blue a thread sealer?

Loctite Threadlocker Blue 242 is designed for the locking and sealing of threaded fasteners which require normal disassembly with standard hand tools.

How long does it take for permatex anaerobic gasket maker to dry?

Typically, RTVs require a minimum of two hours to set up and 24-hours to achieve the full cure that’s needed before adding fluids or returning the vehicle to service. Anaerobic flange sealants and gasket makers need about an hour to cure.

How do you remove anaerobic sealant?

A wire brush, wire wool, wet and dry paper are all good for removing cured anaerobic (which often appears as a white-colored powdery solid). Wipe down with acetone. Stubborn cured lumps will come off after soaking in an aggressive solvent such as acetone or methylene chloride.

How do you use right stuff permatex?

Attach and cut nozzle at desired opening at a 45˚ angle, and insert into standard or short cauking gun. Apply a continuous 1/8˝ to 1/4˝ bead to one surface, surrounding all bolt holes. Assemble parts within five minutes, tightening bolts to recommended torque levels. Material will fill any surface imperfection.

Can I use Permatex instead of a gasket?

It is fine to use the correct RTV sealant instead of a gasket if used in the right application (oil, high temp, fuel). Not, however, if the gasket thickness is required to produce a specific amount of clearance. RTV sealant is better than primitive gaskets in most applications ie.

What is Loctite 518 used for?

Loctite 518 is a semi-flexible, medium-strength anaerobic gasketing material designed for use on casted iron, casted aluminum, and steel flanged mating surfaces. It fills gaps up to 0.25 mm and forms a semi-flexible, chemical-resistant seal that will not tear or decay.