10 Best Pipe Thread Sealant of August 2025

• Item Weight: 0.12 lb
• Country of Origin: United States
• Color: clear
• Brand name: Oatey

Oatey

• Locks and seals threaded fittings
• Resists leakage, vibration loosening, moisture, hydraulic fluids and diesel fuels
• Lubricates threads for easy assembly and disassembly
• Parts may be repositioned up to 4 hours after application
• Suggested Applications: head bolts into through holes, oil PSI sending units and sensors, oil and coolant lines, fuel fittings, rear axle fill plug, brake and power steering fittings

Permatex

• Economical general-purpose fitting sealant
• Outperforms tapes and pipe dopes
• Seals and resists pressure in air, oil, diesel fuel and hydraulic systems
• Remains pliable at higher and lower temperatures
• Suggested Applications: Air conditioning fittings, temperature sending fittings, hydraulic fittings

Permatex

• Adhesives & Sealants
• Country of manufacture: United States
• Manufacturer: Rectorseal
• Pipe thread sealant
• Soft set slow drying compound which seals, lubricates and protects threaded pipe and fittings
• Can be pressurized immediately for piping up through 2" and 100 psi for natural gas, air and water only
• Ideal for application with a wide variety of fluids and gases including potable water applications
• Recommended for use on threaded galvanized steel, iron, brass, copper, aluminum, stainless steel, polyethylene, fiberglass reinforced and PVC pipe

Rectorseal

• Adhesives & Sealants
• Country of manufacture: United States
• Manufacturer: Rectorseal

Rectorseal

• Non-hardening, non-toxic paste with PTFE
• Use on threaded brass, copper, stainless steel, aluminum, black pipe, tin, polyethylene, polypropylene, polybutylene, ABS, PVC nylon and galvanized pipe threads, hoses and more
• Not for use on oxygen systems
• Remains pliable in cold temperatures, working range is -100 degrees to 600 degrees fahrenheit
• Pressure range is 10,000 psi when sealing liquids and 3,000 psi when sealing gases

Gasoila

• Adhesives & Sealants
• Country of manufacture: United States
• Manufacturer: Oatey
• Non-hardening gray paste seals and lubricates threaded joints
• For use on water, steam or air lines
• Non-separating and non-toxic material
• Not for use on Plastic threads

Oatey

• Adhesives & Sealants
• Country of manufacture: United States
• Manufacturer: Rectorseal

Rectorseal

• Adhesives & Sealants
• Country of manufacture: United States
• Manufacturer: Rectorseal
• Non-hardening thread sealant containing PTFE plus synthetic fibers
• These fibers dispersed in a resinous base combined with inert mineral fillers provide maximum sealing performance
• Its low coefficient of friction allows tighter joint makeup with lower torque
• It also breaks out easily without galling, seizing, or damaging threads
• It is excellent for service where immediate pressurization is necessary

Rectorseal

• Adhesives & Sealants
• Country of manufacture: United States
• Manufacturer: Rectorseal
• A soft setting, slow drying thread sealant
• It has withstood the test of time in a variety of uses and is widely known as the -Inchstandard of the industry-Inch
• Its low coefficient of friction allows tighter joint makeup with lower torque
• It also breaks out easily without galling, seizing, or damaging threads
• It is excellent for service where immediate pressurization is necessary

Rectorseal