Masters® Pro-Dope

Masters® Pro-Dope® is a non-toxic, noncorrosive, non-hardening paste. It effectively seals both metal and plastic threaded connections. It will not dry out, stain, harden or separate. It lubricates during assembly and can easily bedisassembled even after years of service.

Available in 4 variations

Key Features & Benefits

Effectively seals most liquids and gases against leakage to 10,000 psi and from –200 F to +400 F (-129 C to +204 C).
ULC Listed for Natural Gas ((CAN/ULC - S642) and NSF/ANSI 61G/372 listed for potable water.
MAS Green certified.
Low VOC

Specifications

Brand:	Masters
Maximum Application Temperature °F:	122°F
Maximum Application Temperature °C:	50°C
Material Compatibility:	ABS
Material Compatibility:	Aluminum
Material Compatibility:	Black Iron
Material Compatibility:	Brass
Material Compatibility:	CPVC

Material Compatibility:	Copper
Material Compatibility:	PVC
Material Compatibility:	Plastics
Material Compatibility:	Stainless Steel
Set Speed:	Immediate
Product Type:	With PTFE
Color:	Milky White
Set Type:	Soft Set
California VOC Compliant:	Yes

More Specifications

Technical Resources (5)

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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.