Permatex 56521 High Performance Thread Sealant, 50 ml, White

I use this for every metal to metal pipe fittings. Teflon tape is good but this thread sealant is much better and easier to use because it allows adjustment of the fittings to line up fittings which doesn't work when using Teflon tape. I make sure final adjustments are made within 1 hour as this sealant does cure in the absence of air in the close fitting metal to metal part of the joint and fully cures in 24 hours. If using on stainless steel or anodized aluminum or other inactive metals it's recommended that you use Permatex Surface Prep Activator to ensure proper cure. I was curious about using it on PVC, Permatex says it's NOT recommended for plastic fittings such as PVC. So I plumbed my shop with PVC and used teflon between the male PVC fittings and female metal fittings on all of my air drops and then use this Permatex 56521 sealant for everything else and it has worked without fail for more than 20 years. It's important if you use pvc to metal pipe be sure that the pvc fitting is the male and threaded into a female metal fitting. If you do it the other way around and use female pvc and thread male metal pipe into the pvc fitting it will expand the pvc over time and it will result in a leak. Just what I learned and hope it helps you out

I used this for the past few years on systems that use 300 PSI hot air and 250 PSI near cryogenic CO2; no leaks at all. It works far better than Teflon/PTFE tape or the more common thread sealants. I use the surface prep spray regardless of the material my fittings are made from. (successfully used on steel, stainless steel, brass, anodized aluminum, titanium)

Meets expectations

EXCELLANT LIQUID THREAD SEALANT

Works

Works great. No sign of leaks yet.

Good price

I used thread sealants before so when I came across this Permatex product I ordered some. No surprise it worked a treat. paint it on (small artist brush) the threads as directed, wipe off the excess, done! Pressurized the fitting with max pressure. All Permatex coated fitting were checked for leaks. Three days later pressure in system has not dropped from original pressure. Took the roll of Teflon tape tossed it away.

If plumbers tape was a model T Ford, this is a Ferrari. Awesome product.

Cumple con su objetivo

El empaque del producto estaba abierto, lo cual demerita la presentación y se duda de la calidad.

Recomiendan no usar con PVC