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Sulphur Hexafluoride-SF6

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Description

Sulphur Hexafluoride (SF₆) is an inorganic, colorless, odorless, non-flammable, and non-toxic gas with the chemical formula SF₆. The product fulfills requirements according to the IEC 60376.

Physical & Chemical Properties

  • Chemical Formula: SF₆
  • Molecular Weight: ~146.06 g/mol
  • State: Colorless gas
  • Odor: Odorless
  • Flammability: Non-flammable
  • Toxicity: Non-toxic (but can cause asphyxiation in confined spaces)
  • Density: ~6.1 g/L (heavier than air)
  • Solubility: Poorly soluble in water; soluble in non-polar solvents
  • Chemical Stability: Extremely stable and chemically inert under normal conditions

Key Features & Benefits

  • Exceptional Dielectric Strength: SF₆ has one of the highest dielectric (electrical insulation) properties among industrial gases, making it ideal for high-voltage electrical equipment.
  • Arc-Quenching Ability: Excellent at extinguishing electrical arcs, which is critical in circuit breakers and switchgear.
  • Thermal & Chemical Stability: Maintains stability over a wide range of temperatures with minimal reactivity.
  • High Density: Its high molecular weight improves insulation performance and helps fill enclosed volumes in equipment more effectively than air or nitrogen.

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