Key Applications
- Advanced Manufacturing
- Welding Shielding: Enables oxidation-free TIG/MIG welding of aerospace alloys and reactive metals.
- Semiconductor Fabrication: Sputtering gas for DRAM/3D NAND production and purge gas in crystal growth reactors.
- Electronics & Optics
- LED/OLED Deposition: Ensures contamination-free epitaxial growth in MOCVD chambers.
- Laser Systems:Cooling medium for high-power fiber lasers in automotive cutting.
- Sustainability & Energy
- Thermal Insulation: Fills double-glazed windows to reduce building energy loss by 30%.
- Nuclear Safety: Neutron absorber in fast breeder reactors.
- Specialized Uses
- Preservative gas for archival document storage.
- Carrier gas in ICP-MS environmental analysis.
Safety & Compliance
- Asphyxiation risk above 75% concentration (OSHA PEL: Simple asphyxiant).
- Cryogenic handling requires ASTM F968-compliant PPE.
- Available in DOT/ADR cylinders or bulk liquid delivery with real-time purity monitoring.
Product Specifications
CAS Number: 7440-37-1
UN Number: 1004
EINECS Number: 231-1472-0
Molecular Weight: 39.948
Appearance: Colorless, odorless
Melting Point: -189.2 °C
Boiling Point: -185.9 °C
Density: 1.784kg/m³
DOT Class: 2.2
Label: Unflammable Gas
| High purity argon | Ultra-high purity argon | |
| Specification | 99.999% | 99.9999% |
| H2 | ≤ 0.5 ppm | ≤ 0.5 ppm |
| O2 | ≤ 1.5 ppm | ≤ 0.2 ppm |
| N2 | ≤ 4.0 ppm | ≤ 0.4 ppm |
| CH4+CO+CO2 | ≤ 1.0 ppm | / |
| H2O | ≤ 3.0 ppm | ≤ 0.5 ppm |
| CH4 | ≤ 0.1 ppm | |
| CO | ≤ 0.1 ppm | |
| CO2 | ≤ 0.1 ppm |
Packaging Specifications：
| Cylinder Specifications | Content | Pressure | ||
| Cylinder Capacity | valve | volume | Bar | PSIG |
| 40L | CGA580 / QF-2 | 5 m3 | 150 | 2175 |
| 47L | CGA580 / QF-2 | 7 m3 | 150 | 2175 |
| 50L | CGA580 / QF-2 | 10 m3 | 200 | 2900 |
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.
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