RectorSeal offers Pipe Thread Sealants renowned for their unmatched quality and reliability. Trusted globally by professionals, they deliver leak-free connections across plumbing, HVAC, and industrial applications. With a rich legacy of innovation, RectorSeal continues to set the standard for thread sealing solutions, guaranteeing enduring performance and peace of mind.
Quality Tested
RectorSeal's pipe thread sealants guarantee quality through on-site chemical batch validation and rigorous testing by experienced engineers. With RectorSeal, customers can trust in the highest caliber sealants for their piping systems.
versatility
RectorSeal provides versatile pipe thread sealants tailored to diverse needs, compatible with various pipe materials and fluids. Their flexible solutions cater to industrial, commercial, and residential applications.
strong connections
RectorSeal's pipe thread sealants create strong bonds between pipes, accommodating a vast array of fluids. Designed for versatility, they provide reliable sealing solutions for diverse applications.
Pipe Thread Sealants
No. 5
Multi-Purpose
No. 5 is our industry-standard thread sealant, trusted for its non-hardening, slow-drying formula. NSF and UL compliant, it's approved by IAPMO and CSA, ensuring reliability across various applications.
Lead free
Non-hardening / slow drying
Brushable from 20° F to 140° F
Immediate pressurization
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T PLUS 2
PTFE Enriched
T plus 2 PTFE enriched pipe thread sealant features a blend of PTFE and synthetic fibers for superior performance. Plus, it allows immediate pressurization after application.
Lead free
Non-setting
2-year shelf life
Certified to NSF / ANSI / CAN 61
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TRU-BLU
Vibration Resistant
Tru-Blu vibration resistant pipe thread sealant is designed for high vibration environments like refrigeration and industrial settings. It effectively seals NPT connections prone to vibration, offering reliability in demanding conditions.
Lead free
Stays flexible
Low odor, non separating
Contains PTFE
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BLUE+
PTFE Enriched
BLUE+ is the easy, effective thread sealant solution. With PTFE and synthetic fibers, it seals tight without damaging threads, perfect for quick pressurization. Plus, it's NSF Standard 61 compliant and CSA Certified for safety.
Lead free
PTFE enriched
Non-flammable
Immediate pressurization
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No. 5 Sub-Zero
All Weather
No. 5 Sub-Zero is perfect for low temperatures, brushable down to -35°F. These sealants are backed by the Uniform Plumbing Code (IAPMO) File No. 1282 and approved by the Canadian Standards Association (CSA) for your peace of mind.
Lead free
Slow dry
Non-hardening
Brushable to -35°F
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No. 5 Special
Non-Hardening
No. 5 Special is a specialized spin-off of our industry-leading No. 5 formula, crafted specifically for use around gas detection equipment.
Lead free
Slow dry
Non-hardening
Breaks out easily without damaging threads
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No. 7
Corrosive Chemical
No. 7 pipe thread sealant combines potency with resilience, earning trust for its exceptional strength and versatility across a wide array of applications, spanning industrial environments to essential plumbing projects.
For use with corrosive chemicals and solvents
Soft set
Conforms to AMS-S-7916
Breaks out easily without damaging threads
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No. 21
Multi-Purpose
No. 21 is your reliable sealant for a variety of liquids and gases in different industries. Made from special ingredients, it's safe for your pipes, containing no lead or other metals. Plus, it's CSA approved for added assurance.
Soft set
Slow dry
Smooth, easy application
Lubricates and protects threads
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Additional Resources
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selector sheet
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product catalog
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