POR15 questions

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POR15 questions

Postby FST4RD » Tue Nov 01, 2011 9:22 am

Going to head out and buy some more POR15. Is there anything you can keep it in rather then the paint can it comes in?
The last lot I had I managed to get the lid stuck and butcher it with a screw driver to get it open. I then poured the rest into an air tight plastic container with a screw lid, but when I went back to use it it had gone solid.

Any ideas?
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Postby xsspeed » Tue Nov 01, 2011 9:27 am

put some glad wrap or something between lid and can?
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Postby FST4RD » Tue Nov 01, 2011 9:35 am

xsspeed wrote:put some glad wrap or something between lid and can?


Might be a good idea... I am assuming that POR15 will go hard when it contacts air?
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Postby malc » Tue Nov 01, 2011 9:44 am

Yeah, they recommend putting gladwrap or something similar under the lid. It does work, but I found it best to scoop the amount I needed out of the can to put in another container, and try not get any por in the rim of the can. And then re seal it.
I think once it is opened there is not much you can do about getting air into it, It should just form a hard skin on the top, but depends how long you leave it for.
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Postby RunningRich » Tue Nov 01, 2011 10:15 am

I transfer it into a screw top air tight plastic container and DON'T GET ANY OF IT ON THE THREADS OR RIM.

I have also used pasta sauce jars and again don't get it on the threads.

With a small air pocket it won't go off quick but still has a shelf life of 6 months or so.
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Postby RunningRich » Tue Nov 01, 2011 10:20 am

Forgot to say I clean the jars with 2 way thinner and let it dry before transfer to stop contamination.
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Postby FST4RD » Tue Nov 01, 2011 10:52 am

Good ideas. I didn't realise that the shelf life was so short.
I was scooping it out from the original container, but as i was pulling out the ladel i clipped the edge and spilt it on the rim :x and once you do that it glues the lid shut good and proper!

Be good if it came in something like a squeezy super glue container with the long pointy end on it!
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Postby Adoom » Tue Nov 01, 2011 11:07 am

xsspeed wrote:put some glad wrap or something between lid and can?

This is the method I use. Plastic shopping bags FTW.
Never had a problem doing it this way.

Another method I have successfully used on one of the bigger tins was to stab two holes(one is just a breather hole) in the side of the tin near the top. Pour out the paint you need then stick masking tape over the holes. Swirl the tin around to get the paint to go over the holes, it self seals.
When you need more paint, just pull off the tape, it breaks the seal and you pour some more out.

I had to butcher the lid off one of the small tins yesterday because I just put the lid back on without any plastic last time I used it.
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Postby Adoom » Tue Nov 01, 2011 11:13 am

FST4RD wrote:Good ideas. I didn't realise that the shelf life was so short.

I've had tins of POR15 last for ages. You must have introduced some moisture to it when you put it in the other container, which would make it go hard. Stink buzz, cause that stuff is expensive!
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Postby RomanV » Tue Nov 01, 2011 11:57 am

(disclaimer: havent tried it myself)

I've heard storing a paint tin upside down can work, as that way the the part in contact with the air that dries and goes hard is at the bottom when you tip it back up.
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Postby Adoom » Tue Nov 01, 2011 12:09 pm

RomanV wrote:(disclaimer: havent tried it myself)

I've heard storing a paint tin upside down can work, as that way the the part in contact with the air that dries and goes hard is at the bottom when you tip it back up.


Doesn't work with POR15. I tried this with the tin I had to butcher open yesterday. The paint glues the lid on. Oh, but you don't get a hard layer inside the tin :roll:

The upside down trick would work better with more ordinary kinds of paint.... like Hammerite or something.
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Postby FST4RD » Tue Nov 01, 2011 12:41 pm

Adoom wrote:
xsspeed wrote:put some glad wrap or something between lid and can?

This is the method I use. Plastic shopping bags FTW.
Never had a problem doing it this way.

Another method I have successfully used on one of the bigger tins was to stab two holes(one is just a breather hole) in the side of the tin near the top. Pour out the paint you need then stick masking tape over the holes. Swirl the tin around to get the paint to go over the holes, it self seals.
When you need more paint, just pull off the tape, it breaks the seal and you pour some more out.

I had to butcher the lid off one of the small tins yesterday because I just put the lid back on without any plastic last time I used it.


I like the 2 holes idea! Easy to open, easy to close!
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Postby Bling » Tue Nov 01, 2011 3:45 pm

I've had cans sit for probably a year or two with no issues. I had paint all over the rim too :oops: I just did a couple layers of glad wrap then bang the lid on. Just have to replace the glad wrap each time but i've yet to have a problem with this method.
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Postby GTsedan » Tue Nov 01, 2011 6:42 pm

+1 on the glad wrap. I have a tin out there that is still good after 12 months. As mentioned it hardens on reaction with moisture (why its so good for rust protection) and GP thinners wont cut the mustard to clean the stuff off surfaces. I got sick of trying to clean up the brushes so now I just but the $3 pack of paint brushes from mitre 10 and treat them as disposible
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Postby Adoom » Tue Nov 01, 2011 6:48 pm

GTsedan wrote:I got sick of trying to clean up the brushes so now I just but the $3 pack of paint brushes from mitre 10 and treat them as disposible

FTW!
$2.02 25mm brushes at Mitre10

The proper thinners costs way more than disposable brushes.
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Postby FST4RD » Tue Nov 01, 2011 7:16 pm

Yeah I got a 10 pack of paint brushes from the warehouse for next to nothing... Awesome!
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Postby GTsedan » Tue Nov 01, 2011 7:42 pm

If you buy the proper thinners you can spray the stuff. But I would't attempt running it through anything less than a completely f**d spray gun
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Postby FST4RD » Tue Nov 01, 2011 8:21 pm

I know what they mean when it says on the can "Only time will take remove". I did the right thing by wearing latex gloves before I even touched the can and through the whole process. When I took them off pulled one off no issue... but then with my dis-gloved hand I just grabbed the other glove without thinking and pulled it off, forgetting it had POR15 on it... needless to say it really does only come off with time! :lol: :oops:

Don't understand why people don't use POR15 for temp tattoos?
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