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How long is paint good for?

 
Old 12-31-2018, 01:00 PM
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Dale002
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Default How long is paint good for?

How long can paint and primer be store? Let say solvent ppg.
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Old 12-31-2018, 02:13 PM
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porchdog
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unopened quiet a while . never ever leave a can half full. the air will screw it up. i pour everything into qrts as soon as mixed . if not you need some inert gas from your mig in it .
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Old 12-31-2018, 07:01 PM
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I have used nitrogen and it seemed to work well...so that is cool if i can use my argon/CO2 mix.

I also agree that transferring it into quart or pint cans that you can fill up is the best way for good long while as long as you also store it correctly. Like NOT on the shelf in your garage where the sun shines on it every day. That might not be good idea to have it there.

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Old 12-31-2018, 07:36 PM
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Thanks Guys, I have argon/CO2 mix. I'll separate it in quarts can. I only need a quart now but in three months will need the other and it's much cheaper to purchase by the gallon.

Happy New Years!
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Old 12-31-2018, 08:01 PM
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i keep my paint in an old ice box. also have one for all my filler and sandpaper.
when i buy a couple of gals of color i have it all mixed together then put in qrts . first one and the last one will match .
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Old 01-01-2019, 02:19 AM
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Originally Posted by porchdog View Post
i keep my paint in an old ice box. also have one for all my filler and sandpaper.
when i buy a couple of gals of color i have it all mixed together then put in qrts . first one and the last one will match .

A running ice box?
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Old 01-01-2019, 09:46 AM
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I would not think so due to freezing paint is NOT a good thing along with body fillers. More or less I am guessing it is an insulated containment vessel.

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Old 01-01-2019, 10:27 AM
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i use old dead ice boxes instead of shelves. one for paper , one for paint and such. i even use one for all my welding stuff. never gets cold enough to drop the temp. my shop stays at 50 even when it is in the 20's. guys up north can just wire up the light inside.
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Old 01-06-2019, 11:36 PM
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I own a repair shop in Chicago and looked at DuPont solvent paint that I made for a restoration project 18 years ago and its still good. Sealed container on the shop floor not in the hot sun of course.
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Old 01-09-2019, 01:47 AM
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Iíve been in the paint and body industry since 1971 and I agree with all of the above posts. Automotive paint can never be allowed to freeze ! This is clearly stated by most major paint manufacturers. Second I agree with cool, dry, dark locations. Third is always the smallest container possible. Iím not sure about using a inert gas but it canít hurt. I also might add that a PPG rep once told me to store opened cans of paint upside down, on there lids as this helps seal off air intrusion. Clean the area around the lid seal of excess paint, place the lid on top and press down evenly by hand until started. Then place a rag on top of the lid to prevent splattering and using a hammer to finish closing till flush. Shake it a couple of times to get the paint on the underside of seal and store it on the lid. Iíve seen paint last over 10 years this way. IMHO Bodyman Bob

Last edited by BodymanBob; 01-09-2019 at 01:49 AM. Reason: Grammar error
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Old 01-09-2019, 02:56 PM
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temp swings is what kills paint other than oxy/moisture. it can cause chemical changes to the paint. this why paint is kept in 60-62 degree areas .
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Old 02-10-2019, 11:55 PM
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Originally Posted by BodymanBob View Post
Iíve been in the paint and body industry since 1971 and I agree with all of the above posts. Automotive paint can never be allowed to freeze ! This is clearly stated by most major paint manufacturers. Second I agree with cool, dry, dark locations. Third is always the smallest container possible. Iím not sure about using a inert gas but it canít hurt. I also might add that a PPG rep once told me to store opened cans of paint upside down, on there lids as this helps seal off air intrusion. Clean the area around the lid seal of excess paint, place the lid on top and press down evenly by hand until started. Then place a rag on top of the lid to prevent splattering and using a hammer to finish closing till flush. Shake it a couple of times to get the paint on the underside of seal and store it on the lid. Iíve seen paint last over 10 years this way. IMHO Bodyman Bob
That all makes sense to me, and I started in the collision field in '75 btw. As a shop owner, the biggest challenge I see on a daily basis is getting ANYONE to wipe the rim of a can clean before half-assed putting a lid on.
And fwiw, my PPG rep recently told me that 7 years is expected life of DBC (solvent) when stored.
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