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1 oz. Great Blue® Pipe Joint Compound
31265 - spec sheet
Features
- Use on PVC, CPVC, ABS, polyethylene, polypropylene, iron, steel, copper or brass threads up to and including 2"
- Lubricates and seals thread on water, natural gas, steam, air lines, caustics and dilute acids
- No odor, easy clean-up
- Oil-based thread sealant with a uniform, smooth consistency for easy application
- Withstands up to 3,000 PSI on gases from -50° to +400°F and 10,000 PSI on liquids from -50° to +500°F
- Flexible, non-hardening, non-separating, non-toxic paste
- For use with water, steam, caustics or dilute acid lines of PVC, CPVC, ABS, cycolac, polypropylene, iron, steel or copper
31265 - spec sheet
Manufacturer Resources
Product Specs
- Volume:
- 0.01
- Department:
- Plumbing
- Product Group:
- Plumbing Chemicals
- Product Subgroup:
- Sealants & Fluxes
- Product Type:
- Flux/Compound
- Product Weight:
- 0.05
OATEY O31265 – Frequently Asked Questions
1) Can Oatey Great Blue pipe joint compound be used on plastic pipe threads like PVC and CPVC?
Yes. Great Blue (Oatey 31265) is rated for PVC, CPVC, ABS, polyethylene, polypropylene, iron, steel, copper and brass threads up to and including 2 inches. That makes it one product for a mixed job where you have plastic drain and supply threads alongside black iron or copper, instead of carrying a separate plastic-safe sealant.
2) Is Oatey Great Blue approved for natural gas threaded joints?
It is. The compound lubricates and seals threads on water, natural gas, steam, air lines, caustics and dilute acids, and it holds up to 3,000 PSI on gases from -50 to +400 degrees F. For liquids the rating is 10,000 PSI from -50 to +500 degrees F.
3) Pipe dope or PTFE tape for threaded water and gas connections?
Great Blue is an oil-based paste rather than a tape, and the practical difference on the job is lubrication. It goes on with a uniform smooth consistency, lubricates the thread as you make up the joint, and stays flexible, non-hardening and non-separating so the joint can be broken later. Tape seals but does not lubricate, and it is harder to apply cleanly on large or dirty threads. On plastic threads where overtightening cracks the fitting, the lubrication from a paste helps you feel the make-up.
4) Is Great Blue pipe joint compound safe to use on potable water lines in occupied buildings?
The compound is described as a non-toxic paste with no odor and easy clean-up, and water lines are among its listed services. The no-odor point matters for occupied apartments and healthcare spaces where solvent smell generates complaints.
5) Will this thread sealant harden and seize the joint if I need to take it apart later?
No. Great Blue is formulated flexible, non-hardening and non-separating, so a threaded joint made up with it can be broken and remade. That is what you want on unions, strainers, gauges and anything you expect to service.
6) Can I use Oatey 31265 on a steam line or a chemical feed line?
Yes on both. Listed services include steam, caustics and dilute acids, with liquid service rated to +500 degrees F and gas service to +400 degrees F, down to -50 degrees F in each case. Those temperature limits are the thing to check against your line conditions.
7) How much compound is in the Oatey 31265 and what size job does it cover?
The 31265 is the 1 oz size, listed at 0.01 volume and 0.05 lbs. That is a service-call or single-fixture quantity, right for a truck kit or a punch list. For repipes or multi-unit work, step up to a larger container of the same Great Blue compound.
How fast can I get the OATEY O31265 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the OATEY O31265 come with a warranty?
Absolutely. The OATEY O31265 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the OATEY O31265?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
Why buy the OATEY O31265 from ZenSupply?
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and
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