Argon
Gaseous argon is odorless, colorless and tasteless. It is non-toxic, non-flammable and is denser than air. Argon has low thermal conductivity, liquefies at –186°C and solidifies at –189.40°C (under normal pressure.)
Argon Application Areas
Argon, known as "the big A" of industrial gas business, sees a wide range of applications in the following areas:
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in metallurgy for alloy refining, preventing molten metal from coming into contact with oxygen, nitrogen and carbon dioxide
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in mechanical engineering as shielding gas in various welding processes, e.g. gas metal arc welding
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in chemical industry for high-purity substances production
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in scientific research for analyzing purity of materials, in electronics, etc.