< 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 7 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 clean from hands and tools and washes out of clothes
• Certified to NSF, IAPMO and CSA

Specifications

Color:	Blue
Brand:	Hercules
Maximum Application Temperature °F:	122°F
Maximum Application Temperature °C:	50°C
Set Speed:	Immediate
Product Type:	With Kevlar
Set Type:	Soft Set
Material Compatibility:	ABS

Material Compatibility:	Aluminum
Material Compatibility:	Brass
Material Compatibility:	CPVC
Material Compatibility:	Copper
Material Compatibility:	Plastics
Material Compatibility:	PVC
Material Compatibility:	Stainless Steel
California VOC Compliant:	Yes

More Specifications

Technical Resources (10)

• Submittal
• SDS
• SDS Canada English

• SDS Canada French
• SDS Spanish
• FAQ
• LEED Green Sheet
• Product Information
• Product Instructions
• UL Greenguard Gold Certification

More Downloads

Available in 7 variations

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.  

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