Rectorseal 25551 - #5 Multi-Purpose Pipe Thread Sealant
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RectorSeala® No. 5a® 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." RectorSeala® No. 5a® is a soft setting, slow drying thread sealant made from special inert fillers dispersed in an oleo resinous base to facilitate its application to threaded pipe connections. RectorSeala® No. 5a® 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
  • Brushable from 20 degree F to 140 degree F
  • Will not dry out in the can
  • Multipurpose - wide range of service uses
  • 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
  • Permits easy break out with no damage to threads
  • Economical - requires only a small amount
  • Reduces friction to allow tighter joint makeup
  • Lubricates and protects threads
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Name Rectorseal 25551 - #5 Multi-Purpose Pipe Thread Sealant
Brand Rectorseal
Item Number 25551
Manufacturer Product Number 25551
SKU - PIM Number 1374511248144
ERP Number 96828
UPC 021449255516
Unit of Measure EACH
Weight 0.9 Pound (lb.)
Length 2.5 Inches (in)
Width 2.5 Inches (in)
Height 3.6 Inches (in)
Hazardous Material No
EPA Cert Required No
Country of Origin USA
Service Temperature 20°F to 140°F (-6.6°C to 60°C)
Application Temperature -40°F to 125°F (-40°C to 51.6°C)
Coverage Piping up to 2" diameter
Dry Time Soft Set/Slow drying
Flash Point > 300° F
Shelf Life 2 Years
Solids Content DNA
Storage Temperature
Includes Brush Top
Application Lubricates 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.
Approvals None
Base DNA
Color Clear
Composition Diacetone Alcohol
For Use With PVC, Polyethylene, Stainless Steel, Copper, Brass, Aluminum, Galvanized Steel, Iron, RTPR
Functions Thread Sealant
Size 8 Ounce
Standards CSA, NSF, UPC,UL
Temperature Range 20°F to 140°F (-6.6°C to 60°C)
Type Thread Sealant
Volume 1/2 pt.
UL Listed Yes
UL Recognized Yes
GEM - Case Quantity

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