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Painting a Plastic Tank ?
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TWB
Posted 5/6/2011 07:53 (#1763168)
Subject: Painting a Plastic Tank ?


I brought a new plastic 1100 gallon water tank, it clear. Want a black tank, but they are out of stock of them, about 4 weeks behind on getting them. Also they are alot higher. Enough of that, question is and it been ask before, can you paint and it stay on a plastic tank ? What type of paint (enamel base, latex ) ?
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balefire
Posted 5/6/2011 08:00 (#1763173 - in reply to #1763168)
Subject: Re: Painting a Plastic Tank ?



Oxford County, ON
My dad painted 2 this spring with ordinary Tremclad, seemed to stick just fine.

P.S. It takes a LOT of paint!

Edited by balefire 5/6/2011 08:00
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tommyw-5088
Posted 5/6/2011 08:16 (#1763189 - in reply to #1763173)
Subject: Re: Painting a Plastic Tank ?


south Texas , York Rife Freemason
If you can let it "weather " in the sun for a few months ,the chance of paint sticking is better .

If water beads up on the outside of the tank ,paint will not stick ,I would at least scrub it with comet and a scotch brite pad .

I know scrubbing it would be alot of work ,if it is big ,You might also take it to a place that washes semi trucks and have them acid wash it ,It is a crap shoot ,Unless you prep it and use plastic primer .

Any of us that have done body work ,have been "educated " with plastic bumpers .

Edited by tommyw-5088 5/6/2011 08:18
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s_fritz
Posted 5/6/2011 09:11 (#1763228 - in reply to #1763168)
Subject: RE: Painting a Plastic Tank ?


SC Illinois
Instead of painting ours, we just pour a few onces of cutrine-plus pond treatment in when we won't be using the tank for a while. Have been on the same gallon jug for 4 years. It doesn't take much. We get it at our local farm store.

Edited by s_fritz 5/6/2011 09:29
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Tim in WI
Posted 5/6/2011 09:30 (#1763252 - in reply to #1763228)
Subject: RE: Painting a Plastic Tank ?



Embarrass WI

That will stop the algae growth, but it won't protect the plastic tank from UV rays.

Last white plastic tank I got, I sprayed with Krylon Fusion paint that is made for plastic. Found out that it DOES take a lot of paint, and there's not much paint in a spray can. It is holding up well after 3 years, not flaking off at all.

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tommyw-5088
Posted 5/6/2011 09:44 (#1763268 - in reply to #1763252)
Subject: Re: Painting a Plastic Tank ?


south Texas , York Rife Freemason
You could get plastic primer that goes in a spray gun ,It would be expensive to use automotive plastic primer ,I would check to see if there was an industrial plastic primer .
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detroitdiesel
Posted 5/6/2011 12:31 (#1763422 - in reply to #1763168)
Subject: Re: Painting a Plastic Tank ?


Chillicothe, Missouri
I would recomend stoping by an auto body shop, if you want the paint to be completely stuck, they can out the right etch to the surface and incorporate an adhesion ptomoter with the paint, It will cost a little more, but it shouldn't peal off in just a couple of years.

Diesel
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Kwhite
Posted 5/6/2011 13:47 (#1763473 - in reply to #1763422)
Subject: Re: Painting a Plastic Tank ?


I just used John Deere black worked good a little flaking off after bout 5 years just sprayed some more on them spots.
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TWB
Posted 5/6/2011 21:48 (#1763813 - in reply to #1763473)
Subject: Re: Painting a Plastic Tank ?


Thanks for all the information.
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ghfarm
Posted 5/6/2011 22:00 (#1763833 - in reply to #1763168)
Subject: Re: Painting a Plastic Tank ?


SWIL
We just used latex paint. Alot cheaper than the plastic paint and will last for several years.
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reedfarmer
Posted 5/6/2011 22:34 (#1763890 - in reply to #1763168)
Subject: Re: Painting a Plastic Tank ?


Eastern Arkansas
Sherwin Williams has a paint called DTM and it is what they recommended for this application. I used a wagner painteater to scuff the tanks. It is a rotary sander that uses scotchbright like disks. Then I primed with DTM primer and painted with black DTM paint. They recommended I use a roller and not spray it in order to get a thicker coat. It worked very well and is still flexible and after 3 years it still looks real good. There is no flaking and the only wear is spots that have worn through the paint where I have the tanks cabled to the trailer. If i remember correctly it wasn't much more than regular house paint either.

Edited by reedfarmer 5/6/2011 22:35
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cdustercc
Posted 5/9/2011 07:43 (#1767032 - in reply to #1763168)
Subject: RE: Painting a Plastic Tank ?


Hertford, NC
We did four tanks about six or seven years ago. We just got a roller and got to work with some exterior latex. No prep work at all, just slapped it on. I didn't expect it to last so well, but so far the only areas to loose their paint are where we have rubbed against the tank while dragging a hose around it, or bumped into it with the edge of the lawnmower.
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