--- In STMFC@yahoogroups.com, "Gregg Mahlkov" <mahlkov@...> wrote:
Dullcote, its temperature drops because the pressure in the can isdropping.
This causes tiny droplets of moisture in the air to cling to thedroplets of
Dullcote, causing the "blushing" or "milky" spots.rented and
had to wait for an exceptionally dry day to spray Dullcote. SinceI built my
house, my spray painting is done in a heated and air conditionedroom above
the garage and I have had no further troubles with Dullcote froma "spray
bomb"Greg is exactly right. Spray painters call the defect he describes
gun blush. It happens when it's very humid. Droplets of moisture
condense on the cold, still wet paint. If the aerosol can of paint
chills down a lot that could make the problem worse.(Cans of air
brush propellant always did that for me).