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| | | | Joined: Aug 2000 Posts: 29 New Guy | | New Guy Joined: Aug 2000 Posts: 29 | Would someone please give me a layman's definition of the following terms that I find on paint cans for spraying --
"wet mist coat", "medium wet coat", and "flash time".
Thanks,
CAB | | | | | Joined: Aug 2005 Posts: 6,377 Ex Hall Monitor | | Ex Hall Monitor Joined: Aug 2005 Posts: 6,377 | Definitions by Tiny would be:
Wet Mist Coat: A coat of paint that isn't heavy enough to have gloss.
Medium Wet Coat: A properly overlapped coat that is heavy enough to gloss but not run.
Flash Time: The time it takes for the paint to not be runny wet but still sticky. When you can touch the masking tape and not get paint on your finger BUT it's sticky it's flashed.
Someone else may have differing opinions.
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| | | | | Joined: Feb 2002 Posts: 12,029 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Feb 2002 Posts: 12,029 | flash time refers to the time it takes for the solvents or reducers in the paint to evaporate - it's the time you need to leave between coats ... be different for different paints and temperatures, get a tech sheet for the particular paint/primer you're using
Bill | | | | | Joined: Jul 2011 Posts: 785 'Bolter | | 'Bolter Joined: Jul 2011 Posts: 785 | To expand a bit more on flash times,
The time necessary for solvents to have sufficiently evaporated to apply the next coat. Flash times are affected by not only temps but also air movement. Lower temps will slow the evaporation process, or extend the time needed to "flash". Poor air movement (clogged paint booth filters, lack of air circulation, etc) will also slow the evaporation process, for the same effect.
As mentioned, check the data sheets for manufacturer's recommended flash times, and adjust times as needed based on temps/conditions that affect flash times.
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