If you look in the toolbox of any plumber or repair professional you are sure to find some form of sealant for the pipe. Various forms of sealants exist for various occupations. Potentially, using the wrong sealant can potentially lead to leakage, water damage, and other serious issues. Pipe sealants, also known as pipe joint additives, as the name implies, seal threaded pipe fittings and block the path of leakage along the tube. But how would you know what’s the best pipe thread sealant?
What Is The Best Pipe Thread Sealant?
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1. Oatey 31230 Pipe Joint Compound with PTFE with Brush – Editor’s Choice
- Adhesives & Sealants
- Country of manufacture: United...
Paid Links / Last update on 2021-10-03
This pipe sealant has a non-hardening, soft set composition so it provides excellent properties in sealing and assembling properties. Its formulation can also withstand up to 3,000 PSI for gases, and 10,000 PSI for liquids with available thermal capacities of -50 to 400 Fahrenheit for glasses, and -50 “to 500 Fahrenheit for liquids.Threaded Link Capable Formulation
Pipe Versatile Application
Overall
Oatey Pipe Joint Compound might be the best overall pipe thread sealant, it has an impressive formulation that can adhere to multiple pipe materials including steel. Plus the packaging includes an applicator, so you will no longer think about how you will apply it.
- Approved for use on Flowguard Gold, Blazemaster, and Corzan piping systems
- Brush top applicator included
- Non-toxic, non-staining formula
- Allows for easy disassembly without stripping or damaging threads
- Messy to use
2. Loctite 209741 Heavy Duty Threadlocker – Amazon’s Choice
- Heavy-duty adhesive...
- Designed for larger metal...
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The Loctite Threadlocker Red 271 is constructed to securely lock and seal the threaded fasteners and avoid vibration loosening. It is suitable for fittings up to 1 “(25 mm), with a special solution that is perfect for valve covers, water pumps, and alternators for generators, machinery, and automobiles.Resistant to Moisture
Pure Sealant
Overall
The Loctite Threadlocker Red is the most versatile pipe sealant out there, you will find yourself in need of this product with multiple application possibilities, even on automotive and heavy machinery materials. However, this product might not last long compared to other sealants.
- Heavy duty
- High strength formula
- Compatible to powerful equipments
- It might not be able to last long
3. DANCO Waterproof Silicone Faucet Grease | Silicone Sealant – #1 Best Seller
- PLUMBERS FAUCET AND VALVE...
- LUBRICANT GREASE Contains high...
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The Danco Waterproof Silicone Sealant Grease is perfect when fixing a leaky faucet for lubricating faucet ends, valves, and cartridges. The Faucet and Valve Grease plumbers help to minimize pressure. It contains high raw silicone content which makes it better for long-term lubricant hold and offers long-lasting lubrication that helps to function smoothly with hard-turning faucets specifically.FDA Approved Formulation
Acts as a Waterproof Lubricant
Overall
The Danco Waterproof Silicone Sealant Grease is a wonder mostly for plumbing valves and plumbing systems for faucets and sinks. It is FDA approved and acts as a water lubricant for multiple sealing applications. Plus, it’s resistant to water which is a factor that you might want to consider when buying a pipe sealant.
- Resistant to most harsh chemicals
- Contains high raw silicone content
- 95% silicone
- Runny viscosity
4. Rectorseal 23631 1/4 Pint Brush Top T Plus 2 Pipe Thread Sealant – Best Non-Hardening Pipe Sealant
- Adhesives & Sealants
- Country of manufacture: United...
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The Sealant Rectorseal 23631 1/4 T Plus 2 Pipe Thread is made from Synthetic Fibers and Teflon that are spread in a resinous base combined with inert mineral fillers, making it a better thread sealant. Besides using it on the fittings of the compressor, it can be used on pipes or joints where gas, refrigerants, fuels, water, oil flow, and many more.Non-Hardening Sealant
Resinous Base Fibers
Overall
This sealant is proven to be the best non-hardening pipe thread sealant out there because of its formulation. It has a resinous base that allows a maximum sealing capability. It also has multiple features that are a smart choice to consider when looking for a pipe sealant.
- For use with potable water (hot or cold)
- Lead-free and contains no other metals
- Lubricates and protects threads
- Formulated for plastic and metal pipe
- Cannot seal gasket
5. Amazing GOOP 150011 Plumbing Adhesive – Best for Elevated Temperatures
- This Item Is Eclectic Products...
- Used For Hardware,Glue...
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Amazing Goop Plumbing Multi-Purpose Adhesive is a super adhesive/sealant that covers leaky pipes, downpipes, seams for the gutter, and ceramics fittings. It creates a watertight bond stronger on PVC tubing than silicone, pool tiles, garden hoses that dry clear effectively.Optimum Fitting Reliable
Elevated Temperature Handling Capabilities
Overall
Amazing GOOP Plumbing Adhesive might be the best choice when you are looking for a pipe thread sealant that can withstand elevated temperatures. It is suitable for most pipe and muff applications. Overall, its flexibility and versatility is a good choice to consider.
- Flexible when cured
- Submersible
- Does not become brittle
- Dries clear
- Not for cooling system
6. Gasoila Soft-Set Pipe Thread Sealant with PTFE Paste – Best for Oil Plumbings
- Soft-setting, PTFE paste.
- Provides a positive seal on...
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The Gasoila Soft-Set Pipe Thread Sealant is a non-invasive, non-toxic, and non-hardening form compound sealant consisting of polytetrafluoroethylene ( PTFE). This powerful sealant will seal fittings made from various materials like copper, brass, bronze, stainless steel, glass, polyethylene, polypropylene, ABS, polybutylene, PVC, nylon, and more.Temperature Versatile
Oil Resistance
Overall
Gasoila Soft-Set Pipe Thread Sealant might be the strongest sealant especially on gas and oil plumbings, it has an excellent formula that adds features enabling oil resistance. However, you have to be cautious not to include this in your oxygen flow plumbing.
- Strong sealant
- Lock air efficiency
- Easy to apply and peel off
- Not suitable for oxygen flow
7. Permatex 24200 Medium Strength Threadlocker Blue – Best All-Rounder
- Locks and seals while...
- Protects threads from...
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Permatex Medium Strength Threadlocker Blue Formula is an all-purpose threadlocker suitable for 6 mm to 20 mm products with both nut and bolt systems. This threadlocker seals and locks, preventing the weakening of parts due to vibration eliminating the need to store costly lock nuts and lock washers. It also prevents threads against rust and is removable for quick disassembly with basic tools.Anaerobic Formulation
General Purpose Application
Overall
Permatex Medium Strength Threadlocker is an allrounder pipe thread sealant, suitable for multiple general-purpose application. It has an anaerobic formulation that will have additional support to your adhesion.
- Suitable for air and liquid flow
- Easy to use
- Versatile in temperature
- Long cure and dry time
FAQ
What is a pipe thread sealant?
A pipe thread sealant is a substance used to close the openings among connections between pipe threads. Pipes that are connected using threads generally create gaps between them which enable the escape of liquid or gas. It’s the responsibility of the sealant to ensure the gap is securely closed to avoid any leakage.
How to use pipe thread sealant?
Push two or three times across the fitting, then push the tape close to cut it off. Cover the fibers with paste-type pipe coating on metal trimmed fittings often called pipe dope. Brush the sealant all the way around the fitting onto the threads then mount the joint.
Is pipe thread sealant permanent?
A pipe joint sealant also called pipe glue, pipe dope, or PVC glue is a white or transparent, plastic-like adhesive. Pipe dope is usually stronger than Teflon tape, which is why plumbers and other professionals use it instead of banding for permanent seals. So, it is safe to say that it’s more permanent than a tape.
Is pipe thread sealant better than Teflon tape?
Pipe thread sealant is easy to find, reasonably user friendly, and affordable. It works for all pipe and fitting materials styles and creates a good seal. The pipe sealant is usually stronger than the Teflon tape.
Is pipe thread sealant the same as plumbers putty?
Both sealants are extremely durable when it comes to fittings for the bathroom and various drain pipes. But the putty of plumbers is delicate as opposed to the caulk of silicone. This is the reason why the quality of silicone is less than the putty of a plumber.