< Thread Sealant Paste

Hercules® Real Tuff™

Hercules® Real Tuff™ is a multi-purpose, heavy-duty white PTFE thread sealant that uses a unique system of fine-grain PTFE particles to fill cracks and thread imperfections. The sealant forms durable, leak-free seals so that joints can be tested and put into service immediately. It can be used on lines carrying water, steam, caustics and dilute acids. Behold the power of Hercules®, products built to last and trusted by plumbers to withstand even the toughest conditions.

Available in 6 variations

Key Features & Benefits

Withstands temperatures from 50°F to 550°F
Use on all metals and PVC, CPV and ABS plastics
Multi-purpose, heavy-duty white PTFE thread sealant
Suitable for use with all liquids, including drinking water, and gases except for oxygen
Maximum working hydraulic pressure of 12,000 psi
Will not run or drip from joints, is non-flammable, and contains no heavy metals or volatile solvents
Particles fill cracks and thread imperfections for excellent lubricating and sealing properties
Forms leak-free joints that can be used immediately
Soft set with no cure time required
Holds tight against expansion and contraction and resists strong acids, alkalis and ketones

Specifications

Color:	White
Brand:	Hercules
Maximum Application Temperature °F:	122°F
Maximum Application Temperature °C:	50°C
Set Speed:	Immediate
Product Type:	Soft Set
Set Type:	Soft Set
Material Compatibility:	Aluminum

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

More Specifications

Technical Resources (9)

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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.