Oatey Pipe joint compound on PVC sink trap and drain?

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audioman81

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I installed a new sink in my bathroom and couldnt get it to not leak in a couple places so I tried teflon tape but it was hard to get it to stay above and below the nut that tightens the drain into the bottom of the sink so I looked at Fleet for some pipe dope or the like and they had Oatey Pipe Joint Compound. Its grey and on the front it says lubricates and seals threaded connections. it was by the teflon tape so i figured it should work. I got home took the drain apart and put lots of it on every joint on the trap as well as the drain and no more leaks 3 days later so I know its working.
I was putting my tools and stuff away today and noticed on the back of this pipe compound it says "do not use on plastic threads"
my question is will this eat the plastic and cause it to leak or why would it say this? do i have to take it apart, clean it off and try to find something else to put on?
thanks,
Ryan

ps. I found this on the msds sheet for their grey pipe joint compound on thier website does this help any?

SECTION 2 COMPOSITION/INFORMATION ON INGREDIENTS
INGREDIENTS: %wt/wt: CAS NUMBER: ACGIH TLV TWA: OSHA PEL TWA: OTHER:
Calcium Carbonate 60 – 75% 1317-65-3 10 mg/M3 15 mg/M3 None
(Total dust)
Hydrocarbon oil 20 - 30% 64742-52-5 5 mg/M3 5 mg/M3 None
Clay 1 – 5% 68953-58-2 10 mg/M3 10 mg/M3 None
 
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Krow

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It shouldn't eat away any plastic tubing or fittings, it just not good practice. The thread sealant will tend to get hard over time
 

hj

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compound

It must contain mineral oil and it WILL soften the threads and allow them to distort or melt down. I am not sure how fast it will happen or if it is already too late to prevent it from happening.
 

Master Plumber Mark

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Oaty works great

this stuff works great...

dont worry about it....I smear it all over
everything I install.....


Now their was an issue with RECTOSEAL pipe dope
breaking down the plastic drain outlet on ISE garbage
disposals a while back.. they had a mess to deal with


but I have never heard a problem with normal cheap
Oatey pipe dope.....
 

Terry

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I never use goo on plastic traps.

I "do" tighten the swivel nut first, and then the others.

pipe-dope-on-lav-drain-01.jpg
 
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Master Plumber Mark

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gas is too expensive for a call back...

I never use goo on plastic traps.

I "do" tighten the swivel nut first, and then the others.



Nothing aggravates me more than going back out
on a 1 1/2 p trap that the hot and cold changes
in the water have made those nuts finallly loosen and leak..

I use that Oatey goo an everything and I try to
pound it into the heads of everyone that works
for me that the goo is cheap. cheap cheap.....
Smear it on extra thick and wipe off the excess



the time and gas spent on the 25 mile drive
back out to do it again buys a whole skid of the goo....
 
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Master Plumber Mark

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now thats a good idea

HJ you are a master and a genius!!!!

I never thought of useing silicone on p traps.

I have tangled with basket strainers that some one
had put into the sink with silicone..that was mean......

you could smear the clear stuff on them and you
would not notice the difference

and I bet it would never leak or come apart again:D:D
 

plumbernj

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Ryan


Do not use the gray paste on plastic. You can you Teflon paste on plastic though if you need to. Read the can for all the info.
 
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Master Plumber Mark

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different strokes....

you know everyone does things differently

I used to LOVE.... Yellow Rectoseal....and I used literally
gallons of it back in the 70s....

I switched to the cheaper oaty and other types later on
after spilling the Rectoseal al over my tools dozens of times...

Its just my personal preference to give all those slip
joints that extra little bit of love and attention


I know if I treat them to a good douseing
of grey goo, I will never have that expensive call
back out over a slight drip on the extension tube nut going
from the disposal to the baffle tee.


I just hate small call backs that the customer could fix but
will not try to tighten up themselves ...
..
 

Redwood

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Hmmm I wonder why I don't get callbacks on sink drains...
No Goop Works for me!
deadhorse.gif


Try mighty putty Mark! You too can make the move from borderline pig slop plumbing to genuine pig slop plumbing.
 
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audioman81

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when i posted this question I had ALREADY put it on and it had been 3 days without it leaking. now its been a week still no leak.
My question was do i have to take it apart and clean it off and start over or will it be ok to leave it alone and not worry about it eating the plastic anytime soon?
 

Dunbar Plumbing

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If I ever see Billy Mays I'm gonna throw pepper in his mouth.


I used to use dope on the ferrule's edge but never on the threads themselves.

The threads are not what causes the leak anyway.


I do see a vantage point that MPM has that makes good logical sense; doping those threads will prevent that slow loosening of the fittings underneath a sink given a flimsy stainless steel sink or garbage disposal running, vibrating causing everything to loosen up.


If everything is brand spanking new, I don't use the stuff. If it's old and connecting to old, I'll use it.
 

ncplumber

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20 year plumber here, I use "Rectorseal T plus 2" pipe thread compound on the beveled edge where the ferrule makes contact, not on the threads. It will come apart years later just fine and is safe for use on pvc. I also tighten the middle nut first, then the back, then the top. Another thing I do that borders on paranoia is on a lavatory drain: pipe dope on the top of the beveled rubber gasket where it contacts the basin, putty between the gasket and the friction washer. I can't remember ever having a callback for a leaky trap or drain.

Speaking of paranoia, anybody else use teflon tape (in proper direction of course) then pipe dope over the tape on metal to metal threads? Or is it just me?
 

Master Plumber Mark

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Murpheys law and takeing short cuts.....

Speaking of paranoia, anybody else use teflon tape (in proper direction of course) then pipe dope over the tape on metal to metal threads? Or is it just me?


Yes I do this always.

When ever I get cocky or am in a hurry and try to take a short cut,
and I think my-self above the cosmic laws of plumbing ,
that is when failure will always ocur.

Recently, I have learned the hard way that if I do not put teflon tape
on the nipples for a Brad Ford White water heater, and then dope them
up with Oatey pipe dope, I always seem to be left with a very tiny small leak ....

and then the whole process has to be done again with the heater full of water....

Generaly that has been the case with anything I touch.....

I now realise that when I do not use both materials
or do not grease up the p traps inside the sockets and on the slip nut washers

I am pissing off some plumbing god that will
exact his just and cruel revenge on me

...either right then..... or some day down the road.....
I will have to make a 35 mile pilgrimage back to that home and
kneel down under that kitchen sink and pay homage.....for free too....

and then ask forgiveness of the homeowner for getting their kitchen base wet.....

Call that paranoia if you wish...

 
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Dlarrivee

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master plumber mark:

Why do you feel the need to have such large text, is what you say more important than others, or are you simply obnoxious?
 
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