Hello friends:
I live in Canary Islands, the climate is extremely humid and I take to dry the paint too long.
Please someone can tell me some method to speed up the drying.
Thank you.
health
Mon
AFV Painting & Weathering
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paint drying
hostias
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Posted: Monday, July 02, 2012 - 08:02 AM UTC
Tojo72
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Posted: Monday, July 02, 2012 - 10:25 AM UTC
I sometimes use a handheld hair dryer,careful not to blow parts off or use too high a heat setting and melt something.But usually works for me.
retiredyank
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Posted: Monday, July 02, 2012 - 11:04 AM UTC
You can place the kit in a container, opened and then in your fridge or freezer. Both keep the air inside dry. Soda can in the fridge, dry and cold. Same can taken out of the fridge, condensation and getting warmer.
SSGToms
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Posted: Tuesday, July 03, 2012 - 05:40 PM UTC
Mon,
I would not put my model in the freezer! I'd be afraid of the contraction/expansion process playing havoc with seams, putty work and springing PE parts loose. Plus, as it warms, condensation will leave watermarks on your raw paint.
If you are shooting enamels, you can get an additive called Japan Drier which will cut drying time in half.
If you are shooting acrylics, (Tamiya, MM Acryl, Pollyscale) thinning them with 91% isopropyl alcohol will make them dry very fast. You can not do this with Vallejo and Lifecolor.
I also know modelers who live in high humidity who dry their paint jobs in those circular food dehydrators that you make beef jerky in! It works incredible!
I would not put my model in the freezer! I'd be afraid of the contraction/expansion process playing havoc with seams, putty work and springing PE parts loose. Plus, as it warms, condensation will leave watermarks on your raw paint.
If you are shooting enamels, you can get an additive called Japan Drier which will cut drying time in half.
If you are shooting acrylics, (Tamiya, MM Acryl, Pollyscale) thinning them with 91% isopropyl alcohol will make them dry very fast. You can not do this with Vallejo and Lifecolor.
I also know modelers who live in high humidity who dry their paint jobs in those circular food dehydrators that you make beef jerky in! It works incredible!
retiredyank
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Posted: Tuesday, July 03, 2012 - 05:48 PM UTC
Don't leave your model in the freezer! Only put it in until the paint dries. Maybe five minutes.
wildsgt
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Posted: Tuesday, July 03, 2012 - 06:36 PM UTC
I agree with Matthew
SSGToms
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Posted: Tuesday, July 03, 2012 - 06:54 PM UTC
Oh one more thing - paints perform best between 65° and 85° so I'm not subjecting wet paint to 30°! My model's not going in a freezer for 5 minutes or 5 seconds!
Spiderfrommars
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Posted: Tuesday, July 03, 2012 - 07:59 PM UTC
I've seen that some Japanese modeller use a sort of oven especially coinceved for drying the kit modelling paints, but To be honest I don't know if it's sold in Europe, however if it did I suppose it would be expensive.
Some modellers (as Antony said) use the air drier, some other ones leave the model under a bulb lamp during the paint drying time.
Anyway, it seems to me that your bigger problem isn't temperature, actually I think that your main problem could be the high humidity.
It's only my guess, luckily I don't have that kind of problems, but anyway,usually to preserve from the humidity decals,I'm used to keeping them in a box with a pack of dessicant silica gel
I don't know if it could work, but if I were you during the drying time I'd try leaving the model in a close box with a pair of dessicant pockets.
Silica gel absorbes the humidity so you'd have dry air in the box and that could allow a faster paint drying time.
As I told you that's just a supposition. Of course you should make some trials
cheers
Some modellers (as Antony said) use the air drier, some other ones leave the model under a bulb lamp during the paint drying time.
Anyway, it seems to me that your bigger problem isn't temperature, actually I think that your main problem could be the high humidity.
It's only my guess, luckily I don't have that kind of problems, but anyway,usually to preserve from the humidity decals,I'm used to keeping them in a box with a pack of dessicant silica gel
I don't know if it could work, but if I were you during the drying time I'd try leaving the model in a close box with a pair of dessicant pockets.
Silica gel absorbes the humidity so you'd have dry air in the box and that could allow a faster paint drying time.
As I told you that's just a supposition. Of course you should make some trials
cheers
retiredyank
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Posted: Tuesday, July 03, 2012 - 11:01 PM UTC
No need to get upset. I wasn't yelling at anybody in particular. I have to paint outside. It gets quite humid here in Florida. I have never had any mishap by putting my build in the fridge or freezer. It is cost effective and just as safe as hitting it with a blow drier.
Spiderfrommars
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Posted: Tuesday, July 03, 2012 - 11:23 PM UTC
Matt, I don't know, but in my humble opinion, putting a model in a fridge...actually could lengthens the drying time
It sounds to me strange that an air drier and a fridge could have the same effects on the paints...
I know that for example some modellers are used to putting the epoxy putty mixtures in the fridge to maintain it workable for a longer time, and I usually keep my CA glue bottles in the fridge to prevent their desiccation. So why should it work to shorten paint drying time?
Just my humble opinion anyway
It sounds to me strange that an air drier and a fridge could have the same effects on the paints...
I know that for example some modellers are used to putting the epoxy putty mixtures in the fridge to maintain it workable for a longer time, and I usually keep my CA glue bottles in the fridge to prevent their desiccation. So why should it work to shorten paint drying time?
Just my humble opinion anyway
retiredyank
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Posted: Tuesday, July 03, 2012 - 11:44 PM UTC
Simply because it removes moisture from the air. It has worked for me on one or two occassions. Don't know the science behind it. But, he should try the method he thinks best. If putting it in the ice box seems to be too much of a risk, don't do it. The only time I have had anything attack glue is when I used oven cleaner to remove paint. Paint was not phased and most of the kit broke apart. Don't know why that happened, either.
Tojo72
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Posted: Wednesday, July 04, 2012 - 12:06 AM UTC
I'm not sure about the effects on a model,but being an HVAC tech I can understand the way a fridge or freezer works,they are like air conditioners in that they dehumidify and cool at the same time.Perhaps in this way they dry an acrylic based paint,but I have never tried it.
retiredyank
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Posted: Wednesday, July 04, 2012 - 12:41 AM UTC
Try drying something you painted with your ab in the fridge. This will let you know if it works. If you are afraid that it will damage the glue, don't do it. I never recomend something I have not tried myself.
SdAufKla
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Posted: Wednesday, July 04, 2012 - 01:14 AM UTC
Hi Mon,
You might consider making a drying box with a large plastic storage container and an incandecent light bulb in the 40 watt range on an extension cord.
Place the light in the box and close the lid. You should have a couple of small holes (2-3 cm in dia) at the bottom and top edges of the box for air flow.
The lid will keep out dust and the light bulb will generate heat.
You'll need to experiment and monitor the set-up until you've figured out just how much heat is created, etc.
You're not trying to bake the paint, just provide an enclosed space with warm air that can circulate by convection around the model while protecting the wet paint from dust.
Try Googling the terms "make drying box for painting" to get some ideas.
HTH,
You might consider making a drying box with a large plastic storage container and an incandecent light bulb in the 40 watt range on an extension cord.
Place the light in the box and close the lid. You should have a couple of small holes (2-3 cm in dia) at the bottom and top edges of the box for air flow.
The lid will keep out dust and the light bulb will generate heat.
You'll need to experiment and monitor the set-up until you've figured out just how much heat is created, etc.
You're not trying to bake the paint, just provide an enclosed space with warm air that can circulate by convection around the model while protecting the wet paint from dust.
Try Googling the terms "make drying box for painting" to get some ideas.
HTH,
hostias
Spain / Espaņa
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Posted: Wednesday, July 04, 2012 - 02:39 AM UTC
Hello Friends:
Thank you very much everyone, you have served me much help, at heart, thank you very much.
Health and respect,
Mon
Thank you very much everyone, you have served me much help, at heart, thank you very much.
Health and respect,
Mon
Spiderfrommars
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Posted: Wednesday, July 04, 2012 - 06:30 AM UTC
Quoted Text
Simply because it removes moisture from the air. It has worked for me on one or two occassions. Don't know the science behind it. But, he should try the method he thinks best. If putting it in the ice box seems to be too much of a risk, don't do it. The only time I have had anything attack glue is when I used oven cleaner to remove paint. Paint was not phased and most of the kit broke apart. Don't know why that happened, either.
Well so as I imagined it isn't a matter of low temperature, the fridge method could work because you have a dehumidified air there (unless you don't have a "No frost" fridge). Well, but considering that, it seems to me safer and simplier using a dehumidifier or leaving the model in an air conditioned room....or blowing on the model the air of a small ventilator while the paints are drying...
retiredyank
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Posted: Wednesday, July 04, 2012 - 10:47 AM UTC
Quoted Text
Quoted TextSimply because it removes moisture from the air. It has worked for me on one or two occassions. Don't know the science behind it. But, he should try the method he thinks best. If putting it in the ice box seems to be too much of a risk, don't do it. The only time I have had anything attack glue is when I used oven cleaner to remove paint. Paint was not phased and most of the kit broke apart. Don't know why that happened, either.
Well so as I imagined it isn't a matter of low temperature, the fridge method could work because you have a dehumidified air there (unless you don't have a "No frost" fridge). Well, but considering that, it seems to me safer and simplier using a dehumidifier or leaving the model in an air conditioned room....or blowing on the model the air of a small ventilator while the paints are drying...
I'm fortunate enough to have a cat as a best friend. Leaving wet paint lying about with him around is a huge risk. I tend not to blow on wet paint as it tends to move about. Actually, I do use that method but only to blow away a poor coat before laying another down. Not everyone may have the same results, but it isn't a risk I'm willing to take.
pseudorealityx
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Posted: Wednesday, July 04, 2012 - 12:11 PM UTC
Quoted Text
Quoted TextSimply because it removes moisture from the air. It has worked for me on one or two occassions. Don't know the science behind it. But, he should try the method he thinks best. If putting it in the ice box seems to be too much of a risk, don't do it. The only time I have had anything attack glue is when I used oven cleaner to remove paint. Paint was not phased and most of the kit broke apart. Don't know why that happened, either.
Well so as I imagined it isn't a matter of low temperature, the fridge method could work because you have a dehumidified air there (unless you don't have a "No frost" fridge). Well, but considering that, it seems to me safer and simplier using a dehumidifier or leaving the model in an air conditioned room....or blowing on the model the air of a small ventilator while the paints are drying...
Cold air, by it's nature, IS dehumidified. Cold air simply cannot hold much moisture.
I've never had problems with paint drying, and I'm VERY impatient.
If you can 'blow' paint off that you've airbrushed onto something, you're putting it on WAY WAY WAY TOO THICK!!
retiredyank
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Posted: Wednesday, July 04, 2012 - 12:42 PM UTC
Quoted Text
Quoted TextQuoted TextSimply because it removes moisture from the air. It has worked for me on one or two occassions. Don't know the science behind it. But, he should try the method he thinks best. If putting it in the ice box seems to be too much of a risk, don't do it. The only time I have had anything attack glue is when I used oven cleaner to remove paint. Paint was not phased and most of the kit broke apart. Don't know why that happened, either.
Well so as I imagined it isn't a matter of low temperature, the fridge method could work because you have a dehumidified air there (unless you don't have a "No frost" fridge). Well, but considering that, it seems to me safer and simplier using a dehumidifier or leaving the model in an air conditioned room....or blowing on the model the air of a small ventilator while the paints are drying...
Cold air, by it's nature, IS dehumidified. Cold air simply cannot hold much moisture.
I've never had problems with paint drying, and I'm VERY impatient.
If you can 'blow' paint off that you've airbrushed onto something, you're putting it on WAY WAY WAY TOO THICK!!
If you have never had a problem with paint drying, how can you come to this conclusion?
pseudorealityx
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Posted: Wednesday, July 04, 2012 - 01:07 PM UTC
Quoted Text
Quoted TextQuoted TextQuoted TextSimply because it removes moisture from the air. It has worked for me on one or two occassions. Don't know the science behind it. But, he should try the method he thinks best. If putting it in the ice box seems to be too much of a risk, don't do it. The only time I have had anything attack glue is when I used oven cleaner to remove paint. Paint was not phased and most of the kit broke apart. Don't know why that happened, either.
Well so as I imagined it isn't a matter of low temperature, the fridge method could work because you have a dehumidified air there (unless you don't have a "No frost" fridge). Well, but considering that, it seems to me safer and simplier using a dehumidifier or leaving the model in an air conditioned room....or blowing on the model the air of a small ventilator while the paints are drying...
Cold air, by it's nature, IS dehumidified. Cold air simply cannot hold much moisture.
I've never had problems with paint drying, and I'm VERY impatient.
If you can 'blow' paint off that you've airbrushed onto something, you're putting it on WAY WAY WAY TOO THICK!!
If you have never had a problem with paint drying, how can you come to this conclusion?
Because my conclusion is that the only reason you're having paint drying problems to begin with is because you're putting the paint on too thick.
retiredyank
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Posted: Wednesday, July 04, 2012 - 04:16 PM UTC
Actually it isn't. Humidity can cause a bad paint job as can getting an improper mix of paint and thinner or getting water in your compressor.
Spiderfrommars
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Posted: Wednesday, July 04, 2012 - 07:21 PM UTC
Quoted Text
Cold air, by it's nature, IS dehumidified. Cold air simply cannot hold much moistur
Well Jesse, here in Winter we have a cold weather with high humidity. When I hang out the washing it takes me ages to dry
Quoted Text
I tend not to blow on wet paint as it tends to move about
Well, fist of all when I said blowing the air on the model I meant to blow a sort of gentle breeze not a sort of hurricane .
Morover I agree with Jesse. If your paint layer can move about it could mean that is too thick. A thin coat of paint done with an AB can't "move" at all.
Just my opinion anyway Matt, my aim is not to criticize your jobs
PantherF
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Posted: Sunday, July 08, 2012 - 12:36 AM UTC
Wow ...
... in the wintertime, I pre-heat my models slightly with a hairdryer so that by the time the paint hits it it's not too cold.
I would just try lighter, thinner coats and very little if any, primer coats. But I have learned to be patient and not rush painting due to the climate but hopefully after my paint booth is finished that will be a thing of the past.
HTH (not an expert either)
~ Jeff
... in the wintertime, I pre-heat my models slightly with a hairdryer so that by the time the paint hits it it's not too cold.
I would just try lighter, thinner coats and very little if any, primer coats. But I have learned to be patient and not rush painting due to the climate but hopefully after my paint booth is finished that will be a thing of the past.
HTH (not an expert either)
~ Jeff
Spiderfrommars
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Posted: Sunday, July 08, 2012 - 08:11 AM UTC
Quoted Text
.. in the wintertime, I pre-heat my models slightly with a hairdryer so that by the time the paint hits it it's not too cold.
Do you even wash them with shampoo before painting ?
Just joking
Cheers