Argon Gas, 3D Printing, and How to Stay Safe

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Courtesy of PureAire Monitoring Systems, Inc

For the average person, Argon gas is not a topic of daily conversation, or, for that matter, any conversation, ever. It may be surprising to learn that argon is the third most common gas in the earth’s atmosphere, though most people know little about it. The word argon itself comes from a Greek word meaning ‘inactive’ because of its lack of chemical reactions. Argon is colorless, odorless, tasteless, and non-toxic, but this doesn’t mean it is completely harmless. Because it is 38% denser than air, it can displace the oxygen in an enclosed area, asphyxiating anyone inside.

When using the right safety precautions, like an oxygen deficiency monitor, argon can be very useful. It is used as a shielding gas in metal work and welding to prevent burning, and can even be used to extinguish fires. As a preservative, argon can be used to displace oxygen out of packaging to extend shelf life by preventing oxidation and spoilage. Even light bulbs are filled with argon to prevent oxidation of the filament.

One of the most modern uses of argon gas is in selective laser melting, which is a type of 3D printing. In this process of additive manufacturing, layers of a powder are bonded together using a powerful laser (as opposed to sinter bonding them). Argon is an inert gas, and relatively inexpensive, therefore it creates the perfect environment for this process to take place in. The use of argon here permits a tightly controlled atmosphere, allowing for an oxygen free environment. Using this amount of argon requires the use of an oxygen monitor for safety.

An oxygen deficiency monitor tests the percentage of oxygen in an enclosed area to ensure it is safe to breathe. If a gas like argon were to leak, it would push breathable oxygen out as it filled the room displacing any breathable air. Having no color or odor, a person in the room would be unaware of this exchange of gasses until it was too late. Having an oxygen monitor, like ones sold by PureAire Monitoring Systems, would alert anyone around of a gas leak in time for them to seek safety. If you are interested in using argon gas, contact PureAire Monitoring Systems to learn about how easy it can be to stay safe with an oxygen monitor. Argon has an important place in our modern world, so spread the word and share the knowledge of how to use argon while practicing safety.

For more information on the PureAire Oxygen Monitoring System, contact PureAire Monitoring Systems, Inc., 557 Capital Drive, Lake Zurich, IL 60047; phone 888-788-8050 or 847-726-6000; fax 847-726-6051; or email info@pureaire.net.  You may also visit the company’s website at www.Pureairemonitoring.com.

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