Popular Gases

Sulfur Hexafluoride

Sulfur Hexafluoride (SF₆)

High-Performance Dielectric Gas for Critical Applications

Sulfur hexafluoride (SF₆), a colorless, odorless, and non-flammable inorganic gas (molecular weight: 146.055), is renowned for its exceptional dielectric strength and thermal stability. SF₆ is commonly used as an electrical insulator in high-voltage equipment. It is also used in metal processing and casting, semiconductor etching and cleaning agents, and environmental monitoring. With a density of 6.0886 kg/m³ at 20°C (5x denser than air) and octahedral molecular geometry, SF₆ exhibits unmatched chemical inertness below 180°C, ensuring compatibility with electrical materials.

Specifications

CAS No. 2551-62-4
UN No. 1080
EINECS No. 219-854-2
Molecular Weight 146.05
Appearance Colorless, odorless
Melting Point -50.8°C
Boiling Point -63.8 °C
Density 6.0886 kg/m³
DOT Class 2.2
Label Non-flammable Gas



Industrial Grade SF6Electronic Grade SF6
Specification99.995%99.999%
Air≤ 10 ppm/
CF4≤ 2 ppm≤ 0.5 ppm
C2F6≤ 20 ppm/
C3F8≤ 5 ppm/
Low sulfur compoundsNot Detected/
H2O≤ 1 ppm≤ 3 ppm
HF≤ 0.1 ppm≤ 0.1 ppm
Hydrolyzed fluorides≤ 0.3 ppm≤ 0.8 ppm
Mineral oil≤ 1 ppm/
O2+Ar/≤ 1 ppm
N2/≤ 2 ppm
CH4/≤ 0.1 ppm
CO/≤ 0.5 ppm
 CO2/≤ 0.5 ppm


Packaging Specifications

Gas Container >>
Cylinder SpecificationsContent
Cylinder Capacity ValveGas Net Weight
40LCGA 590/QF-250 kg
47LCGA 590/QF-258 kg
50LCGA 590/QF-262 kg


Key Applications

Power

The power industry's demand for gases primarily focuses on improving combustion efficiency, insulation protection, and environmental emission reduction. YIGAS provides oxygen, nitrogen, hydrogen, and sulfur hexafluoride (SF₆) to help customers improve power generation efficiency and ensure the safety of power transmission and distribution systems.

Gas Detection

The gas detection industry requires standard gases with high precision, stability, and reliability. YIGAS provides specialty gases such as sulfur dioxide, ammonia, carbon monoxide, sulfur hexafluoride, and carbon tetrafluoride, widely used in industrial emission monitoring, environmental protection, and laboratory calibration, ensuring customers comply with international safety and environmental regulations.

FAQ

Why Choose YIGAS?

Team

Global Leadership: Management team with multinational and listed company backgrounds, backed by decades of expertise in the industrial gases sector.

End-to-End Expertise: Integrated capabilities spanning production, operation, R&D, commercialization, and quality assurance in gas industry.

Technical Excellence: Advanced knowledge in gas/chemical synthesis, purification, and process optimization, supported by on-demand technical application services.

R & D

Innovation-Driven: Focus on cutting-edge R&D to deliver safer, sustainable, and cost-effective gas solutions.

Full-Cycle Development: From concept design to scalable production, ensuring seamless technology transfer and market readiness.

Service

Customer-Centric Solutions: Tailored services with flexibility, professionalism, and 24/7 dedicated support.

Value Proposition: Guaranteed supply chain stability, safety compliance (ISO/OSHA standards), and total cost optimization.

Quality

Zero-Compromise Standards: Rigorous QC protocols for both in-house and outsourced products, validated by third-party certifications.

Operational Precision: Expertise in lean production management, analytical quality control, and continuous process improvement.

We Look Forward To Working With You.