What is Canned Air Used For?
Canned air, also referred to as condensed air, is not air at all, but compressed gas. So-called canned air is usually difluoroethane, tetrafluoroethane or trifluoroethane in pressurized, liquid form. When the compressed liquid is exposed to air it releases energy as it transforms into gas. The can is fitted with a long, needle-like straw on the nozzle to deliver a highly directed blast of gas. Canned air is handy for blowing debris out of sensitive equipment and hard-to-reach places. It is especially common to use for cleaning electronic equipment such as computers and keyboards, cameras, recording equipment, entertainment centers and has many other uses. Keyboard design allows the accumulation of dirt, dust, crumbs, hair and other waste to settle between keys. In addition to interfering with the functioning of the keys, debris can potentially accelerate wear on the delicate pads and rockers that sit beneath the keys. By holding the keyboard with the keys facing the floor, a few blasts
