![]() The patent application describes the product as a The first patent for a unitary, hand-held compressed air dusting tool was filed in 1930 by E C Brown Co, listing Tappan Dewitt as the product's sole inventor. When inhaled, gas duster fumes may produce psychoactive effects and may be harmful to health, sometimes even causing death. Common duster gases include hydrocarbon alkanes, like butane, propane, and isobutane, and fluorocarbons like 1,1-difluoroethane, 1,1,1-trifluoroethane, or 1,1,1,2-tetrafluoroethane which are used because of their lower flammability. True liquid air is not practical, as it cannot be stored in metal spray cans due to extreme pressure and temperature requirements. do not contain O 2 or N 2 gases) but rather contain other gases that are compressible into liquids. Despite the names "canned air" or "compressed air", the cans do not actually contain air (i.e. This type of product is most often packaged as a can that, when a trigger is pressed, blasts a stream of compressed gas through a nozzle at the top. ![]() A gas duster, also known as canned air or compressed air, is a product used for cleaning or dusting electronic equipment and other sensitive devices that cannot be cleaned using water. ![]()
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