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loctite 518 gasket maker & flange sealant: anaerobic, red, automotive, 6ml tube logo

Loctite 518 Gasket Maker & Flange Sealant: Anaerobic, Red, Automotive, 6mL Tube Review

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Poor

Revainrating 2.5 out of 5  
Rating 
2.7
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Description of Loctite 518 Gasket Maker & Flange Sealant: Anaerobic, Red, Automotive, 6mL Tube

RELIABLE ADHESION. Forms a flexible, solvent-resistant seal that will not tear or decay. Primarily for use on aluminum, iron & steel flanged mating surfaces. FLEXES WITH MOVEMENT. Enhances load bearing & shock absorbing characteristics of the bond area. Typically used for Water pumps, thermostat housings, transmission pans, transmission case covers, transaxle casings, O-ring replacement. REMOVABLE WITH HAND TOOLS. Parts disassemble easily, even after extended service, and old gasket material can be removed with a putty knife. CONVENIENT CURING. 30 minutes to 4 hours with primer. 4 - 24 hours without primer. Cure speed will depend on the substrate used. LOCTITE 518 GASKET MAKER replaces almost any cut gasket or coat pre-cut gaskets to increase reliability.

Reviews

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Type of review

Revainrating 1 out of 5

Incorrect description in seal

Product description differs from the illustration. The description says 6ml and in the photo the tube is 0.2ml. Guess what? When you order you will only receive a tiny 0.2ml tube. If I could give zero stars I would.

Pros
  • RELIABLE LIABILITY. Forms a flexible, solvent-resistant seal that will not crack or rot. Primarily for use on aluminum, iron and steel flange mating surfaces.
Cons
  • There are other interesting options.

Revainrating 5 out of 5

Loctite 518 best in Sealants

I used this to seal the installation of a new 4L60E input stator assembly. That's what the manufacturer called it and for a few euros I didn't want to just use any Loctite. It says it's for flange sealing, but I think you could use it for other purposes. It dries in the air so each builds up with an interference fit. Works great, easy to remove

Pros
  • LOCTITE 518 GASKET MAKER will replace almost any cut gasket or cover pre-cut gaskets for increased reliability.
Cons
  • Hardware

Revainrating 2 out of 5

That's a small amount of sealant!

I probably didn't pay enough attention to the size of the package when ordering, but I was shocked when I received my order. It's an absolutely tiny hose, I needed to caulk the flange of a pool pump and it was barely enough to cover it with a very thin layer. I doubted it was even worth trying, but I had to get it working again. I let it dry overnight so I don't know if it still worked. I'll probably buy something else next time and monitor the crowd better.

Pros
  • COMFORTABLE HEALING. 30 minutes to 4 hours with primer. 4-24 hours without primer. The curing speed depends on the substrate used.
Cons
  • Almost everything is fine