Rectorseal Tru-Blu PTFE Thread Sealant - 25631

Rectorseal Tru-Blu PTFE Thread Sealant - 25631

Restore a dependable thread seal on metal or plastic piping with this universal/spec-match Rectorseal Tru-Blu PTFE Thread Sealant - 25631. This non-hardening PTFE thread sealant seals and lubricates threaded joints to help reduce leaks during assembly and service.

25631 is Rectorseal Tru-Blu thread sealant, a universal/spec-match compound used when metal or plastic threaded pipe needs a flexible non-hardening sealant that stays workable and seals reliably. It is a strong choice when tape alone is not the preferred sealing method.

Compatibility: Metal and plastic threaded pipe connections for plumbing, HVAC, and mechanical service where a non-hardening PTFE thread sealant is specified.

Please confirm the fitting type, thread compatibility, sealant type, and intended service application before ordering.

Is it time to replace?

• Common Symptoms: Recurring seepage at threaded joints, difficult thread makeup, or leaks that return after old compound has dried out.
• Visible/Sensory Cues: Blue sealant residue on the threads, damp fittings, thread chatter during assembly, or joints that loosen and seep after service.

Pro Tip: Apply a thin even coat to clean threads and avoid heavy excess at the pipe opening so sealant stays in the threads instead of squeezing into the line.

Technical Specifications