Liquid Argon (LAR)

The Noble Shield – Pure, Inert, and Powerful

Liquid Argon is a tasteless, odorless, colorless, and non-flammable cryogenic liquid belonging to the noble gas family. With a boiling point of –186°C (–303°F), argon’s stable, monatomic, and inert nature makes it ideal for protective applications in reactive environments. Though primarily used as a gas, its liquid form offers efficient storage and large-scale delivery.

Key Characteristics

  • State: Monatomic, inert, and chemically non-reactive
  • Boiling Point: –186°C (–303°F)
  • Non-Corrosive & Non-Toxic
  • Stored as Liquid, Used as Gas
  • Highly Stable in Extreme Conditions

Why Use Liquid Argon?

Argon’s unmatched inertness makes it the go-to shielding gas in high-temperature industrial and scientific applications. It ensures safety, purity, and consistency in processes where reactivity must be avoided.

Applications

  • Welding & Metal Fabrication: Provides inert shielding for arc welding and reactive metal processing
  • Electronics Manufacturing: Ensures precision and purity in semiconductor and flat-panel display production
  • Metallurgy: Prevents oxidation in high-temperature furnaces
  • Lighting & Lasers: Used as a fill gas in high-intensity light sources
  • Research & Laboratories: Maintains controlled, non-reactive environments for experiments

Storage & Handling

Stored in specialized cryogenic tanks, liquid argon demands equipment built to withstand ultra-low temperatures. While it poses no chemical reactivity, extreme cold can cause brittleness—making insulation and proper materials essential for safe use.