Thread Sealant Paste

Elevate your plumbing projects with Oatey's premium thread sealant pastes. Oatey, Hercules and Harvey paste compounds offer a seamless application process, producing leak-free results in various systems carrying water, gas, air and more. Trusted for secure, long-lasting connections, thread sealant pastes from Oatey’s family of brands surpass industry expectations, providing easy cleanup and reliable sealing performance that stands up to demanding conditions. Experience the difference with Oatey thread sealant pastes—ensuring each sealed joint reflects a legacy of quality and assurance.

Frequently Asked Questions

What pipe joint compounds should I use in an approved piping system filled with natural gas?

The following Oatey pipe joint compound products are approved for use in this application: Oatey Great Blue, Hercules Block, Hercules Grrip, Hercules Megaloc, Hercules Pipe Joint Compound, Hercules Pro Dope or Hercules Real-Tuff are all safe for this application. 

What is the curing time for pipe joint compound?

Under normal pressures the pipe joint compounds does not need a curing time. If the pressure in the lines is 125psi or higher, the recommended cure time is 4 hours before initiating pressure. Call Oatey Customer Service when in doubt.

Can pipe joint compound and thread sealant tape be used on the same joint?

Yes. Once the male threads are wrapped properly you can apply a coating of pipe joint compound over the thread sealant tape before assembling the joint. Remember that you only apply pipe joint compound to the male threads.  

Are any of Oatey Pipe Joint Compounds FBC (FlowGaurd®, BlazeMaster®, and Corzan®) Approved?

At this time; Oatey Great White is the only Oatey Pipe Joint Compound that is FBC approved. 

Why is the pressure limit for natural gas and LP gas listed at 125psi on the submittal sheets and containers?

This is because of UL listing requirements.

What pipe joint compounds should I use in an approved piping system filled with medical oxygen?

Oatey does not have any products that will work in this application.

Can pipe joint compound be cleaned after an application or spill?

All joint compounds with the exception of Megaloc will not be removed easily. You should check with the materials manufacture that you are removing the pipe joint compound from first, to confirm what cleaning chemicals are compatible with their product.  Start by trying to remove the pipe joint compound with white vinegar and working your way up to acetone. Remember to always test a small out of sight area first, before damaging the finishes or affecting the integrity of materials that the pipe joint compound was adhered to. Megaloc can however be cleaned off hands and tools with a dry rag, and easily washes out of cloths with soap and water. 

What pipe joint compounds should I use in an approved piping system filled with Liquefied Petroleum?

The following Oatey pipe joint compound products are approved for use in this application: Oatey Great Blue, Hercules Block, Hercules Megaloc, Hercules Grrip and Hercules Real Tuff. 

How do I apply pipe joint compound?

Fill the male threads in a clockwise rotation following the direction of thread pattern, or brush across the threads as long as you fill the root of thread without completely covering the crest of thread. 

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