Compressed air that gives fluid

[RedIndigo]

Well, I bought one of those cylinders with compressed air and associated pipe, because it is such that HP recommends for cleaning their keyboards to laptop makers. However, the fact is that when I press the pourer on the bottle, there will be indeed an air puff out (it is clearly visible), but once it presented itself, it has formed a puddle of liquid on, between and under the keys instead.

Is it supposed to be done and why is this transformation from air to liquid?

HP warns of course, while clearly that we should not have any liquid on the keyboard

[lorenz]

It is probably driving the gas that distilling, so that it becomes a little liquidic that is left. You probably also notice that it will be cold when you spray? Do not hold for long in the same place, but spray only in short puffs, so you probably avoid condensation.

[RedIndigo]

Oh so that is. I try to do in that way. Thanks for that tip.