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 Post subject: Frozen Paint
PostPosted: Tue 10 Jan 2017 20:49 pm 
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Red Star
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Joined: Sat 08 Oct 2011 16:42 pm
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Location: St. Jean-Sur-Richelieu, QC
Good Day All....

I finally moved all my belongings (including my stash) from Saskatoon to just outside Montreal. A little over 3 000 km. It was cold. As in -24 C cold (plus windchill) and the moving van took 4 weeks to deliver my stuff.

So, my question is: does extreme cold temperature affect acrylic and enamel paint? Will the cold deteriate the paint?

I haven't tried any on a model just yet, wondering if anyone knew....

Gord


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 Post subject: Re: Frozen Paint
PostPosted: Tue 10 Jan 2017 21:52 pm 
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Yes, low temperature will affect paint. It's quite possible the paint may be unusable, conversely you might find it's OK. If you stir the paint and it appears to be OK, it should be OK. If you stir the paint and it looks like and has the consistency of cottage cheese the only fit place for it is the bin.

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 Post subject: Re: Frozen Paint
PostPosted: Tue 10 Jan 2017 23:44 pm 
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Two Gold & Bronze Stars
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I seriously doubt you'll have any trouble. The solvent in the paint should act as an anti-freeze. That's my theory, anyway.

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 Post subject: Re: Frozen Paint
PostPosted: Wed 11 Jan 2017 00:04 am 
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Domestic paint certainly deteriorates if frozen - most cans specify it should be kept within a narrower range of ambient temperatures than your average electronic device, but then if you believe the manufacturers it is a high-tech engineering product! Like Dacho, I suspect model paint will probably be OK; acrylic should only have gone off if it has been completely separated from its 'solvent' and been in the presence of oxygen long enough to undergo its fixing reaction (unlikely in a sealed pot/tin); and enamel pigment will only have hardened if all the carrier has evaporated and it has had time to dry (again unlikely in sealed tins/pots). I did leave some Humbrol on a bedroom window-sill in Helsinki many years ago and 'forgot' that the temperature would go down to -15°C after dark (window was open and radiator turned off, because I couldn't sleep in the apartment's standard 35°C+). The colours subsequently worked fine on the 1/48 Mossie I was building over my holiday.

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 Post subject: Re: Frozen Paint
PostPosted: Thu 12 Jan 2017 16:14 pm 
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Joined: Sat 08 Oct 2011 16:42 pm
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Location: St. Jean-Sur-Richelieu, QC
Thanks for the replies. Luckily I had brought the majority of my Humbrols and Model Master paints with me and so they didn't freeze. Had my Klear in the same box, not sure if it froze or how it work now too. Guess I will have to try the paint on some spare parts to see their condition.

Gord


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