< Thread Sealant Paste

Hercules® Megaloc®

Hercules® Megaloc® is a multi-purpose thread sealant made with DuPont™ Kevlar® for use on metals, including steel, stainless steel, brass, copper, aluminum and plastic. This pipe dope 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 and non-hazardous, and resists hardening and cracking. Plumbers have come to trust the Hercules offering to provide the highest quality of plumbing products.

Available in 5 variations

Key Features & Benefits

Seals plastic and metal pipes and fittings
Odorless formula is non-separating, non-flammable, non-hazardous
Sets soft with no cure time required
Safe for drinking water lines
Performs over a range from -50 °F to 400 °F
Sets soft with no cure time required
Wipes clean from hands and tools and washes out of clothes
Resists hardening and cracks
Hydraulic resistant to 12,000 psi
Withstands gas pressure to 2,600 psi
Not recommended for lines carrying concentrated acids, alkali, ketone and oxygen.

Specifications

Brand:	Hercules
Color:	Blue
California VOC Compliant:	Yes

More Specifications

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.