What is sulfur hexafluoride (SF6)?
Sulfur hexafluoride (SF6) is a synthetic, inert gas with the chemical formula SF6. It is colorless, odorless, non-toxic, non-flammable, and chemically stable under normal conditions. Its unique molecular structure—a sulfur atom bonded to six fluorine atoms in an octahedral arrangement—grants exceptional electrical insulation and arc-quenching properties.
What are the key physical properties of SF6?
Density: 5.1 times heavier than air (6.0886 kg/m³ at 20°C).
Liquefaction Temperature: Liquefies at -63.8°C under standard pressure, reducing volume to 1/1000 of its gaseous state.
Thermal Stability: Resists decomposition below 180°C, making it ideal for high-temperature applications.
Electrical Insulation: 3x higher dielectric strength than air, critical for high-voltage equipment.
Where is SF6 gas commonly application?
SF6’s versatility spans multiple industries:
Power Systems: Dominates in circuit breakers, transformers, and switchgear due to its unmatched insulation and arc suppression.
Semiconductor Manufacturing: High-purity SF6 serves as an etching agent for silicon wafers.
Aerospace & Medical: Used for equipment cleaning and as a contrast agent in ultrasound imaging.
Specialized Applications: Acts as a tracer gas in environmental studies and even in theatrical effects for its voice-modifying properties.
How is SF6 transported internationally?
SF6 is classified as a UN1080, Class 2.2 non-flammable gas. Key transport requirements include:
Packaging: High-pressure steel cylinders compliant with IMDG/IATA regulations, inspected every 5 years.
Documentation: MSDS,dangerous goods packaging certificate, and customs clearance forms.
Safety Protocols: Avoid exposure to temperatures >45°C, secure cylinders upright during transit, and ensure ventilation to prevent asphyxiation risks.
What are the best practices for SF6 storage?
Environment: Store in cool (<50°C), ventilated areas away from combustibles and oxidizers.
Cylinder Management: Maintain residual pressure ≥0.25 MPa to ensure purity and safety. Regularly inspect cylinders for leaks.
Recovery Systems: Utilize liquefaction methods (freezing or high-pressure compression) for efficient gas recycling.
Why Partner with Zibo Dijia special gas Co,.LTD.?
As a trusted supplier with 15 years of expertise, we provide:
Certified SF6 Solutions: Compliant with global safety and environmental standards.
End-to-End Logistics: Secure shipping, customs support, and on-site safety guidance.
Technical Expertise: Tailored gas purity levels for industrial, medical, and electronic applications.
Visit [www.dijiagases.com] to explore our SF6 gas solutions and request a quote today!
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