Does CPVC glue need primer?

Primer is needed to prepare the bonding area for the addition of cement and subsequent assembly. Use a proper applicator, such as a dauber, swab or paintbrush, approximately half the size of the pipe diameter.Dec 18, 2018

Can you use PVC primer on CPVC?

CPVC solvent cement technically will work on PVC piping. However, we recommend that the correct Weld-On primer and PVC solvent cement for the particular application should be used. Please note that PVC solvent cement, because of temperature limitations, is not recommended for CPVC piping.

Can you use PVC glue without primer?

A joint will still weld together without the primer, but the connection will not be as strong as the primer allows the cement itself to penetrate deeper into the material. The truth is that it can be hard to tell whether PVC primer has an impact or not.

Is PVC primer really necessary?

Usually PVC jobs require about half the amount of primer as they do cement. In short, primer is your friend. It may not be completely necessary on all jobs, but we recommend you take all the precautions available to ensure your joints are leak-free and as strong as possible.

Should I use purple primer on CPVC?

Purple Primer can be used with all types, schedules and classes of PVC and CPVC pipe and fittings. A low VOC formulation. In most cases a successful solvent cement joint can be made without using a primer. But, if you want to increase the probability of making a successful joint, using a primer is the thing to do.

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Does oatey all purpose cement need primer?

The PVC Cement is recommended for potable water, pressure pipe, conduit and DWV applications. Oatey products have earned the trust of plumbing professionals for over 100 years.



Oatey® 4 oz. PVC Regular Clear Cement and Purple Primer Handy Pack.

Color: Clear
Size: 4 oz.

Do you let PVC primer dry before cement?

No – PVC Primer does not need to ‘dry’ before use – in fact, it needs to be wet to do it’s job and not impede the cement – remember, plumbers in a hurry use this daily and aren’t sitting around waiting for the primer to dry before grabbing the cement.

How long after gluing CPVC can you turn water on?

For a 1 1/2- to 2-inch pipe with up to 160 psi, Corzan recommends allowing a cure time of 30 minutes when it’s 60 to 100 degrees Fahrenheit, 45 minutes when working in 40- to 60-degree temperatures and an hour when conditions are below 40 degrees.

How long should CPVC glue dry before turning on water?

At 100 PSI and temperatures under 40 degrees Fahrenheit, a 1 1/4” CPVC pipe can cure in 2 hours. At 200 PSI, that figure becomes 120 hours, and at 225 PSI, curing takes 10 days.

What is CPVC primer for?

Hercules® Purple Primer for PVC and CPVC Pipe and Fittings is a professional-grade primer for use on all schedules and classes of PVC and CPVC pipe and fittings. It removes contaminants such as surface dirt, grease and grime as well as softens the pipe surface to allow for a fast, secure solvent weld.

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What happens if I use PVC glue on CPVC?

When working with CPVC piping, use multipurpose PVC/CPVC glue or a CPVC glue; glue made specifically for PVC will not hold properly on CPVC and could lead to leaks or breakage. CPVC pipes can withstand hot water temperatures up to 180 degrees F.

How do you glue CPVC pipes?


So it's easy to remember you just glue them together and you twist it about a quarter of a turn and you're gonna hold it for 10 to 15 seconds. They recommend on the can for 30 seconds.

Why do plumbers use purple primer?

It removes contaminants such as surface dirt, grease and grime as well as softens the pipe surface to allow for a fast, secure solvent weld. This primer’s purple tint provides visible verification that a primer has been used, which is ideal for areas where plumbing code require this proof.

What is the difference between purple and clear PVC primer?

The purple is so that the building inspector can tell that the plumber used primer by visual inspection. Clear is fine to use.

What is the best CPVC glue?

Oatey® CPVC Medium Bodied Fast Set Orange Cement is recommended for cold water systems and hot water systems up to 200°F / 93°C. It is approved for Corzan® CPVC piping systems. Its medium body has excellent gap filling properties and is easy to apply.