1. Product Introduction & Main Application
Arnico’s Argon is a colorless, odorless, tasteless, and completely inert noble gas, constituting about 1% of the earth’s atmosphere, produced by the cryogenic distillation of liquid air. Heavier than air, this gas’s absolute chemical inertness, low thermal conductivity, and easy ionization make it vital as a shielding gas in TIG and MIG welding, a filler for incandescent and fluorescent lamps, and an inert atmosphere in metallurgy and electronics.
2. Technical Specifications
| Technical Parameter | Industrial / Welding Grade | Ultra-High Purity Grade (UHP 5.0 / 99.999%) | Unit |
|---|---|---|---|
| Purity (Ar) | ≥ 99.997 | ≥ 99.999 | % |
| Nitrogen (N₂) | ≤ 20 | ≤ 5 | ppm |
| Oxygen (O₂) | ≤ 5 | ≤ 1 | ppm |
| Moisture (H₂O) | ≤ 5 | ≤ 2 | ppm |
| Hydrocarbons (as CH₄) | ≤ 2 | ≤ 0.5 | ppm |
| Hydrogen (H₂) | ≤ 2 | ≤ 1 | ppm |
| Dew Point | ≤ -65 | ≤ -76 | °C |
3. Features & Benefits
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Absolute Chemical Inertness: Prevents oxidation and nitridation of the molten metal in welding, creating a clean, porosity-free weld.
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Ultra-High Purity (UHP): Suitable for sensitive instrumental analysis like ICP-MS and gas chromatography, requiring a carrier gas free from impurities.
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Excellent Thermal Insulation: Used to fill the space in double and triple-glazed windows, improving the thermal insulation of buildings.
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Protection in Metallurgy: Creates an inert atmosphere in melting furnaces and the processing of reactive metal powders like titanium and aluminum.
4. Industrial Applications
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Welding: The primary shielding gas in TIG welding (pure argon) and a component in MIG welding mixtures.
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Electronics & Semiconductor Industry: A carrier and plasma gas in the production of silicon chips.
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Metallurgy & Foundry: Melt stirring and a protective gas in AOD furnaces.
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Glass Manufacturing: Injection between the panes of double-glazed and Low-E windows.
5. Safety & Handling
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MSDS (Material Safety Data Sheet): This gas is non-toxic and non-flammable, but it is an asphyxiant (displaces oxygen). The gas is stored under high pressure. The Arnico MSDS file is available.
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Storage Conditions: Cylinders must be stored in a dry, cool, and well-ventilated area, away from heat and sparks, and secured in an upright position. Avoid confined and low-lying spaces.
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Personal Protective Equipment (PPE): When moving cylinders, the use of safety shoes and leather gloves is recommended.
6. Quality Assurance & COA
Arnico Argon shipments are accompanied by a Certificate of Analysis (COA) and a datasheet confirming compliance with the purity grade
