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What is Argon?
Argon is an odorless, tasteless, and colorless gas. It makes up 0.94% of the Earth’s atmosphere and it is the third most abundant atmospheric gas. In welding, it is used to protect the molten pool, which is the place where the metals melt together, shielding the weld from unwanted contaminants and oxidation. It is also used in electric lamps and metals refining.
Argon is non-combustible and extremely inert, making it a silent killer in confined spaces. Large amounts of Argon will decrease the amount of available oxygen causing suffocation. Under prolonged exposure to fire or intense heat the containers may rupture violently and rocket. Because it is shipped as a liquefied gas under its own vapor pressure, contact with the liquid can cause frostbite.
Fire Protection Guide to Hazardous Materials - Edition 14th
| Chemical Name / CAS No. | NFPA 30 / OSHA Class | Health | Flammability | Instability | Special Hazard | DOT Class | ID No. |
|---|---|---|---|---|---|---|---|
| Argon 7440-37-1 |
None | 1 | 0 | 0 | SA | Class 2.2 Non-Flammable Gas |
UN 1006 & 1951 |
The signs above represent our interpretation of material information in combination with NFPA 30 and NFPA’s Fire Protection Guide to Hazardous Materials. Without knowledge of your specific chemical, facility, or hazard, it’s impossible for us to guarantee these signs will match your situation. It is your responsibility to decide which signs are valid for your use and to comply with applicable laws and standards. This site is not intended as a substitute for expert analysis or professional consultation. We make no guarantee of the accuracy of the information on this site and assume no liability of injury or damage as a result of using our products.
Argon Signs FAQs
What are some common use cases for argon signs?
They’re used in warehouses, schools, hospitals, construction zones, and offices to alert people or guide behavior.
When should businesses consider updating their argon signs?
When regulations change, damage occurs, or your facility layout evolves, it’s time to refresh your argon signs.
How do argon signs contribute to a safer facility?
Argon Signs improve safety by communicating warnings or instructions where verbal reminders may not be practical.
What makes argon signs compliant with industry standards?
They often meet ANSI and OSHA requirements, using standardized colors, icons, and fonts to ensure clarity and visibility.
Do argon signs need to include symbols or just text?
Including symbols alongside text ensures the message is understood regardless of language or reading ability.
