How cold is too cold to airbrush MODEL MASTER paint ?
- Thread starter derek45
- Start date
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meatloaf109
1st Lieutenant
Wurger is right, as always!
N4521U
Colonel
An excellent indicator would be standing outside with your shirt off and your nipples stick out................ That, would be too cold to paint.
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T Bolt
Colonel
I'm getting ready to paint Model Master enamel on my back porch right now and the thermometer out there says 55F and I know I've sprayed when it was even colder, maybe as low as 45 or 50. I wouldn't try it with acrylic paints though.
GrauGeist
Generalfeldmarschall zur Luftschiff Abteilung
That right there, is sound advice!
N4521U
Colonel
On the enamel paint note.
If it's toooooo cold, the paint will blush, turn semi gloss or flat.
When I was sign painting vehicles in the cold of winter, in the 40's F, I used heat lamps around the area.
You need to keep the moisture out of the air in the cold.
If it's toooooo cold, the paint will blush, turn semi gloss or flat.
When I was sign painting vehicles in the cold of winter, in the 40's F, I used heat lamps around the area.
You need to keep the moisture out of the air in the cold.
mikewint
Captain
Like Glenn I've used rattle can lacquers outside/garage in cold weather but I made sure the can was warm and as soon as I was no longer actively spraying I brought everything inside to dry.
N4521U
Colonel
I'm having visions here Bill....
I do appologize for that Wayne.
mikewint
Captain
Aussie you know. Male to female ratio 10:1 and the roos are FAST
T Bolt
Colonel
You had my pop spitting on the keyboard with that one Mike
parsifal
Colonel
is it ever too hot to paint......
N4521U
Colonel
Sorry Wayne............................
If you can't hold on to the airbrush, or if the rattle can starts to Expand............. it's too hot!
Sorry I'm not more help. Vic will know. He uses a steel shed in the back yard of his home in Canberra!
Well Iv'e painted in the shed when its 42C....(107.6f)
All is forgiven Bill.....there were no nightmares last night...
mikewint
Captain
All things being equal excess heat causes paints to dry too fast and as a result a poor surface film results. In general 60F to 85F (15.5C - 29.4C) for acrylics. Above or below - mean a poor surface film. Enamels are more tolerent to low temps and you can drop to 40F (4.4C). Humidity also plays a significant role. Acrylic paints contain several solvents including water. High humidity limits water evaporation so the non-water solvents evaporate and the paint cures in a water-filled state a disaster. Very low humidity removes water too fast causing the paint to dry before cured. Again enamels are more tolerent but they will also fail under high humidity
T Bolt
Colonel
Mike, you just confirmed my resolve to stick to enamels.
mikewint
Captain
Glenn, 6 of one a half-dozen of another, Enamels certainly give better smooth finishes but mil-models are flats. Enamels require harsher solvents both to paint and clean.
I open the tap and clean-up with water or an ocasional bit of alcohol. Personal choice as always
I open the tap and clean-up with water or an ocasional bit of alcohol. Personal choice as always
