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Rectorseal - 25551 - #5 Multi-Purpose Pipe Thread Sealant 1/2 pt.

Item: 25551
MFR: 25551


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About This Product

Product Info


Rectorseal - RectorSeal No. 5® is our most popular thread sealant. It has withstood the test of time in a variety of uses and is widely known as the "standard of the industry." RectorSeal® No. 5® is a soft setting, slow drying thread sealant made from special inert fillers dispersed in an oleoresinous base to facilitate its application to threaded pipe connections. RectorSeal® No. 5® is a unique, versatile and reliable sealant that is non-toxic in accordance with NSF Standard 61. In addition, it is Underwriters Laboratories Inc. (UL) classified, listed under the Uniform Plumbing Code (IAPMO) File No. 1282, and it is approved and listed with the Canadian Standards Association (CSA).

  • For use with potable water (hot or cold)
  • Lead-free and contains no other metals
  • Soft setting, slow drying formula
  • Brushable from 20°F to 140°F
  • Will not dry out in the can
  • Multipurpose
  • Immediate pressurization on pipe up to 2" and 100 psi
  • For pressure up to 12,000 psi (liquids) and 2,600 psi (gases)
  • Smooth, easy application
  • Allows easy breakout with no damage to threads
  • Economical - requires only a small amount
  • Reduces friction to allow tighter joint makeup
  • Lubricates and protects threads


Weight0.874 Pounds (lbs)
Length2.5 Inches (In)
Width2.5 Inches (In)
Height3.6 Inches (In)
Country of OriginUSA
ApplicationLubricates and protects threaded pipe and fittings. Can be pressurized immediately up to 100 psi for piping up to 2" dia. Ideal for wide variety of fluids and gases including potable water.
Application Temperature-40°F to 125°F (-40°C to 51.6°C)
CompositionDiacetone Alcohol
CoveragePiping up to 2" diameter
Dry TimeSoft Set/Slow drying
Flash Point> 300° F
For Use WithPVC, Polyethylene, Stainless Steel, Copper, Brass, Aluminum, Galvanized Steel, Iron, RTPR
FunctionsThread Sealant
Prop 65No
Service Temperature20°F to 140°F (-6.6°C to 60°C)
Shelf Life2 YRS
Size8 Ounce
Solids ContentProprietary
StandardsCSA, NSF, UPC,UL
Storage Temperature<500°F (260°C)
Temperature Range20°F to 140°F (-6.6°C to 60°C)
TypeThread Sealant
UL ListedYes
UL RecognizedYes
UV ResistantNo
Volume1/2 pt.


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