< Thread Sealant Paste

Hercules® Real Tuff™

Hercules® Real Tuff™ is a heavy-duty white PTFE thread sealant that uses a unique system of fine-grain PTFE particles to fill cracks and thread imperfections. Designed for use in high pressure applications, this smooth-setting 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 and is compatible with all metals and PVC, CPVC and ABS plastics. 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

• Forms leak-free joints that can be used immediately
• Compatible with all metals, PVC, CPVC and ABS plastics
• Fills gaps and imperfections in plastic and metal pipes and fittings
• Low odor, non-hardening, non-separating and non-toxic
• Suitable for use with lines carrying air, drinking water and gas, except for oxygen
• Withstands up to 12,000 PSI on liquids and up to 2,600 PSI on gases from -50° to 550°F
• Will not run or drip from joints and contains no heavy metals or volatile solvents
• Holds tight against expansion and contraction and resists strong acids, alkalis and ketones
• NSF listed

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)

• Submittal
• SDS
• SDS Spanish

• 01_CementsPrimersCleaners_PVCABSCPVCCements_LEEDGREEN_001.pdf
• 01_HowToSolventWeld_BROCHURE_LCS358H.pdf
• FAQ
• LEED Green Sheet
• Product Instructions
• UL Greenguard Gold Certification

More Downloads

Available in 6 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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