How cold is too cold to airbrush MODEL MASTER paint ?

Discussion in 'Painting Questions, Tutorials and Guidebooks' started by derek45, Dec 9, 2013.

  1. derek45

    derek45 New Member

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    How cold is too cold to airbrush MODEL MASTER paint ?

    It's 25* F outside, and about 40* in my garage

    How warm does the room need to be for good results ?

    thanks
     
  2. Wurger

    Wurger Siggy Master
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    Usually painting should be doing in the room temperature. It means 66-75°F. Of course it is possible to paint with less than 66°F but the one you post above isn't the proper one.
     
  3. meatloaf109

    meatloaf109 Well-Known Member

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    Wurger is right, as always!
     
  4. N4521U

    N4521U Well-Known Member

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    #4 N4521U, Dec 9, 2013
    Last edited: Dec 10, 2013
    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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  5. T Bolt

    T Bolt Well-Known Member

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    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.
     
  6. GrauGeist

    GrauGeist Well-Known Member

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    That right there, is sound advice! :lol:
     
  7. N4521U

    N4521U Well-Known Member

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    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.
     
  8. Wayne Little

    Wayne Little Well-Known Member

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    :shock: I'm having visions here Bill....:evil4:
     
  9. mikewint

    mikewint Well-Known Member

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    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.
     
  10. N4521U

    N4521U Well-Known Member

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    I do appologize for that Wayne.
     
  11. mikewint

    mikewint Well-Known Member

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    Aussie you know. Male to female ratio 10:1 and the roos are FAST
     
  12. T Bolt

    T Bolt Well-Known Member

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    You had my pop spitting on the keyboard with that one Mike :lol:
     
  13. Wurger

    Wurger Siggy Master
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    [​IMG]
     
  14. parsifal

    parsifal Well-Known Member

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    is it ever too hot to paint......
     
  15. N4521U

    N4521U Well-Known Member

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    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!
     
  16. Wayne Little

    Wayne Little Well-Known Member

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    Well Iv'e painted in the shed when its 42C....(107.6f)

    All is forgiven Bill.....there were no nightmares last night...:D
     
  17. mikewint

    mikewint Well-Known Member

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    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
     
  18. T Bolt

    T Bolt Well-Known Member

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    Mike, you just confirmed my resolve to stick to enamels.
     
  19. mikewint

    mikewint Well-Known Member

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    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
     
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