Author Topic: Paint can warmer  (Read 1098 times)

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Offline DynaGlide

  • Posts: 1096
Paint can warmer
« on: August 20, 2021, 11:50 AM »
I was reading this article: https://bloggingpainters.com/sherwin-williams-kem-aqua-plus/

and in the pictures he shows some sort of GE warming thing that looks like a nice idea for warming paint cans for spraying:



Any idea what it is? It looks like a coffee pot warmer from a restaurant. Would this work well?
« Last Edit: August 20, 2021, 11:53 AM by DynaGlide »
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Offline Packard

  • Posts: 642
Re: Paint can warmer
« Reply #1 on: August 20, 2021, 12:20 PM »
For sale at a thrift shop:



Sold at auction for $8.00.

https://www.shopgoodwill.com/Item/73263440

I'm just not sure it is a good idea to heat paints.  Especially oil based or shellac based paints.
« Last Edit: August 20, 2021, 12:24 PM by Packard »

Offline Alex

  • Posts: 7665
Re: Paint can warmer
« Reply #2 on: August 20, 2021, 01:53 PM »
It's just a hot plate.

I don't really get the idea of warming up your paint. I've sprayed so many different things in my life, in different ways, I never heated anything up.

Offline Yardbird

  • Posts: 224
Re: Paint can warmer
« Reply #3 on: August 20, 2021, 04:04 PM »
I worked at a truck manufacturing factory and back in the 1990's the EPA (United States) tightened the VOC so much that we could not really thin the paint enough to properly spray it. Instead we heated the paint to thin to allow us to spray it.   The paint we were spraying was Dupont Imron, which is an two part enamel.   The VOCs were the limiting factor at that time on how high our production could run, so we tried a lot of tricks. 

Offline montyss

  • Posts: 39
Re: Paint can warmer
« Reply #4 on: August 20, 2021, 05:19 PM »
The Higher the Temp of the paint the lower the Viscosity. Normal temp for spray paint application is 72 deg f
Hot plate probably not a good idea for warming it up.. bad things may happen

Offline Mini Me

  • Posts: 94
Re: Paint can warmer
« Reply #5 on: August 20, 2021, 07:43 PM »
My father used to put the paint tin in a bigger can of boiling water when hand painting to help it level off easier and reduce the visible brush marks.

Offline rst

  • Posts: 2691
Re: Paint can warmer
« Reply #6 on: August 20, 2021, 09:42 PM »
heating blankets are cheap and safer

Offline Alanbach

  • Posts: 680
Re: Paint can warmer
« Reply #7 on: August 20, 2021, 10:05 PM »
Just come to where I live in SE Texas, you won’t need your hot plate. Just use my driveway.

Offline Bob D.

  • Posts: 2295
Re: Paint can warmer
« Reply #8 on: August 20, 2021, 10:18 PM »
Just come to where I live in SE Texas, you won’t need your hot plate. Just use my driveway.

I measured my concrete patio the other day and it was 123F in direct sunlight. That's in NJ
so I can't imagine what TX or FL are like.
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It's a table saw, do you know where your fingers are?

Offline dashboardpws

  • Retailer
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  • Posts: 39
Re: Paint can warmer
« Reply #9 on: August 22, 2021, 05:32 PM »
Take a look at seed mats. These are rectangular, square, and round in various sizes. They're thin, use very little power ~14-18W, and only warm things around 10 degrees F above ambient. I have particular experience using them on a long term basis since my wife and I got into brewing our own kombucha. I built a number of Kombuchambers™, which are simply insulated boxes with passive ventilation and thermostats that maintain a particular temperature for the fermentation. The thermostat goes into a small jar of water that's kept inside the box so it measures liquid rather than air temperature. Works very well and I expect would also work nicely for paint.

Offline leakyroof

  • Posts: 2358
Re: Paint can warmer
« Reply #10 on: August 23, 2021, 04:32 PM »
Other than making sure the paint doesn't get,,, too warm, the other issue is that what ever you've painting needs to be warm as well. It won't help if you've warmed up the paint but the object to paint is ice cold compared to the paint.
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