< Thread Sealant Paste

Hercules® Megaloc®

Hercules® Megaloc® is a soft-setting blue thread sealant made with DuPont™ Kevlar® for use on metals, including steel, stainless steel, brass, copper, aluminum and plastic. This pipe thread sealant wipes clean from hands and tools with a dry rag and is safe to use with water lines. Its odorless formula is non-separating, non-flammable, non-toxic and non-hardening. Behold the power of Hercules®, products built to last and trusted by plumbers to withstand even the toughest conditions.

Available in 5 variations

Key Features & Benefits

Seals plastic and metal pipes and fittings
Odorless, non-separating, non-flammable and non-toxic
Resists hardening and cracks
Lead-free and safe for drinking water lines
Withstands up to 12,000 PSI on liquids and up to 2,600 PSI on gases
Performs over a range from -50° to 400°F
Easy application
Wipes cleans from hands and tools and washes out of clothes
Certified to NSF, IAPMO and CSA
Not recommended for lines carrying concentrated acids, alkali, ketone and oxygen.

Specifications

Brand:	Hercules
Color:	Blue
California VOC Compliant:	Yes

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Technical Resources (6)

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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.