Pipe Thread Sealants

Pipe Thread Sealant Chart

RectorSeal® No. 5®

RectorSeal® No. 5® pipe thread sealant is a soft-set, slow drying compound which seals, lubricates, and protects threaded pipe and fittings. It can be pressurized immediately for piping up through 2″ and 100 psi(for natural gas, air and water only) and is ideal for application with a wide variety of fluids and gases, including potable water applications.


RectorSeal® T Plus 2 ®

RectorSeal® T Plus 2® pipe thread sealant is a non-setting, multi-purpose compound which contains PTFE, plus synthetic fibers to create a stronger seal. Recommended for use on threaded galvanized steel, iron, brass, copper, aluminum, stainless steel, polyethylene, fiberglass reinforced, PVC, CPVC, and ABS pipe. T Plus 2 may be pressurized immediately following application. Conforms to TT-S-1732.


RectorSeal® Tru-Blu™

RectorSeal® Tru-Blu™ pipe thread sealant with PTFE is a fast-dry, flexible set thread sealant designed for high vibration environments such as refrigeration and industrial applications.

RectorSeal® No. 5® Special

RectorSeal® No. 5® Special pipe thread sealant is a variation of the basic RectorSeal® No. 5 formulation. For use where a low odor sealant with low temperature application is required.

BLUE+ PTFE Enriched non-Setting Thread Pipe Sealant

A sure seal every time for both metal and plastic pipe. Use for any line caring potable water (hot or cold), DWV, natural gas, LPG,compressed air, and most other industrial gases. Find it in the hands of a professional, or at your local plumbing distributor.


RectorSeal® No. 5® Sub-Zero

RectorSeal® No. 5® Sub-Zero pipe thread sealant is a low odor, non-staining, soft set thread sealant for use where low temperature application is a requirement. It is brushable to -35 degrees F.


RectorSeal® No. 7

RectorSeal® No. 7 pipe thread sealant is a medium-dry, soft-set sealant designed for use with lines carrying corrosive chemicals including acids, caustics, alcohol, ethylene glycol, gasoline, and ammonia.

RectorSeal® No. 21

RectorSeal® No. 21 pipe thread sealant is a black, soft-set, multi-purpose sealant created for applications where a black sealant is preferred.


RectorSeal® PTFE Tape is made from pure PTFE for use as a pipe thread sealant. Available in a wide variety of sizes. Resistant to most liquids or gases as it is completely inert.