NSF61 Pipe Joint Compound – Slow-Dry, Non-Settling, Lead-Free Sealant for Metal & Plastic Threads, -50°F to 400°F, Ideal for PVC & Stainless Steel

Pipe Joint Compound NSF61 – Slow-Dry, Non-Settling, Lead-Free for Metal & Plastic, -50°F to 400°F, Ideal for Stainless Steel & PVC Connections

Professional-Grade Sealant for Leak-Free Performance on Every Connection

Upgrade your pipe installations with our Premium Pipe Joint Compound, engineered for both versatility and reliability across a wide range of piping materials. This slow-drying, non-settling compound ensures a long-lasting, secure seal on threads, making it ideal for both initial installations and routine maintenance. NSF/ANSI 61 certified and completely lead-free, it's a trusted solution for plumbers, contractors, and facility managers working with everything from PVC to stainless steel.

Key Features: Pro-Grade Sealant for Demanding Applications

• Slow-Drying, Non-Hardening Formula: Provides ample working time for complex or multi-joint assemblies, preventing premature setting.

• Multi-Material Compatibility: Seals threads on all metal types (including stainless steel) and a broad range of plastics like ABS, PVC, CPVC, and Nylon.

• Extreme Temperature Performance: Stays effective from -50°F to 400°F (-46°C to 204°C), making it perfect for hot and cold water systems.

• NSF/ANSI 61 Certified: Safe for use in potable water applications—ensures compliance and peace of mind.

• Two Convenient Sizes:

  • 2 oz (59 ml) tube – great for quick fixes and tight spaces.

  • 8 oz (237 ml) can – includes a dauber applicator for larger jobs and easy use on-site.

Commonly Used With Stainless Steel Installations

This product is frequently paired with our [Stainless Steel Fittings Collection →], which includes tees, elbows, couplings, nipples, and more. The compound’s high-performance formula helps prevent galling and ensures a strong, leak-free seal on stainless steel threads.

For the best possible seal, we recommend combining this compound with our [Stainless Thread Seal Tape →], especially in stainless steel applications where additional sealing and lubrication are essential.

Not sure this is the right sealant for your project? Check out our selection of [Thread Sealants →] to view more options.

Boost Performance and Reliability with the Right Sealant

Ensure your plumbing and mechanical connections stay secure with the Pipe Joint Compound that professionals trust. Whether you're sealing stainless steel, PVC, or mixed materials, this lead-free, certified compound provides unmatched performance from install to long-term operation. Get it right the first time—choose our NSF61 Pipe Joint Compound.