Helium (He) is a colorless, odorless, non-toxic and inert noble gas with extremely low boiling point. Yingyue New Materials provides full-series helium gas ranging from industrial grade to 6N ultra-high purity. Adopting advanced cryogenic separation and deep purification technology, our helium features ultra-low impurities and stable performance. All batches are equipped with standard COA and MSDS, supporting customized packaging and global export services.
Helium (He) Gas | Industrial, Welding & Ultra-High Purity Electronic Grade Supplier
Supplier: Wenzhou Yingyue New Materials Co., Ltd.
Product Overview
Helium (He) is a colorless, odorless, non-toxic and inert noble gas with extremely low boiling point. Yingyue New Materials provides full-series helium gas ranging from industrial grade to 6N ultra-high purity. Adopting advanced cryogenic separation and deep purification technology, our helium features ultra-low impurities and stable performance. All batches are equipped with standard COA and MSDS, supporting customized packaging and global export services.
Key Product Specifications
Parameter | Details |
Product Name | Helium Gas (He), Compressed Helium, Liquid Helium |
Chemical Formula | He |
Molecular Weight | 4.003 g/mol |
CAS No. | 7440-59-7 |
EINECS No. | 231-168-5 |
UN No. | UN 1046 (Compressed), UN 1963 (Liquid) |
Hazard Class | 2.2 Non-flammable Inert Gas |
Industrial Grade | ≥99.9% (GB/T 4844-2018) |
Pure Helium Grade | 99.99% (4N) |
High Purity Grade | 99.999% (5N) |
Ultra-High Purity Grade | 99.9999% (6N) |
Appearance | Colorless, odorless gas; colorless transparent cryogenic liquid |
Boiling Point | -268.9℃ (1 atm) |
Standard Filling | 40L/47L cylinder, 13.5±0.5MPa pressure |
Standard Valve | QF-2 (CGA580 customizable) |
Purity Grade & Impurity Control
We supply full-gradient helium gas strictly complying with GB/T 4844-2018 national standard, with rigorous batch impurity testing and complete COA certification to meet conventional industrial, precision manufacturing and semiconductor high-end scenarios:
1. Industrial Grade (≥99.9%)
Suitable for general industrial inflation, leak detection, balloon filling and conventional welding protection. With stable conventional impurity indicators, low cost and high cost performance, it fully meets the basic usage requirements of civil and general industrial fields.
2. Pure Helium Grade (99.99%, 4N)
Applied for precision welding, optical instrument manufacturing, conventional laboratory protection and pipeline leak testing. Strict impurity control: Oxygen + Argon ≤5ppm, total hydrocarbons ≤1ppm, moisture ≤20ppm, ensuring stable inert protection performance for medium-precision industrial production.
3. High & Ultra-High Purity Grade (5N/6N)
Dedicated for semiconductor manufacturing, optical fiber production, laser industry and high-end scientific research. After deep cryogenic purification and adsorption treatment, impurities are strictly controlled: moisture ≤0.2ppm, total hydrocarbons ≤0.1ppm, metal ions ≤1ppb. It features ultra-clean and ultra-stable characteristics, fully adapting to high-precision chip processing and extreme experimental environments.
Physical & Chemical Properties
Helium is the lightest inert noble gas with the lowest boiling and melting points among all known gases. It is colorless, odorless, non-flammable and non-toxic under normal temperature and pressure, with extremely stable chemical properties and no chemical reaction with any elements or compounds.
Helium has excellent thermal conductivity, low viscosity and strong permeability, widely known for super fluidity at ultra-low temperature. It is insoluble in water and most organic solvents, with no oxidation or decomposition risks. It is an ideal inert protective medium and low-temperature cooling medium for high-end industrial and scientific research fields.
Packaging & Transportation Solution
We provide standardized global packaging solutions for compressed and liquid helium, supporting small-batch trial orders and large-scale bulk supply, adapting to regional import standards worldwide:
1. Standard Steel Cylinders
4L, 10L, 40L, 47L seamless steel cylinders with standard QF-2 valves. DOT and ISO certified cylinders are available for European, American and Southeast Asian markets, fully compliant with international import and transportation norms.
2. Cryogenic Liquid Tanks
200L-5000L professional cryogenic insulated tanks for liquid helium storage, with ultra-low evaporation loss, suitable for long-term continuous gas supply for scientific research institutions and high-end factories.
3. Bulk Transportation
Equipped with dedicated cryogenic tank trucks and ISO tank containers for bulk delivery, realizing large-volume, low-cost stable supply for industrial parks and research bases.
4. Customized Service
Support personalized customization of cylinder pressure, filling volume and valve models (CGA580, BS standard) to match different customer equipment interfaces.
Main Applications
Helium is an irreplaceable strategic rare gas, widely used in high-end industry, scientific research and precision manufacturing:
1. Semiconductor & Optoelectronics
Used for wafer cooling, plasma etching, optical fiber preform production and laser device protection, ensuring high-precision and low-defect electronic manufacturing.
2. Welding & Metallurgy
Served as high-purity shielding gas for precision alloy welding, titanium alloy smelting and high-temperature furnace protection to prevent material oxidation and improve finished product quality.
3. Low-Temperature Scientific Research
Used as ultra-low temperature cooling medium for superconducting materials, aerospace testing and laboratory extreme environment simulation.
4. Industrial Testing & Leak Detection
Applied for precision pipeline leak detection, vacuum equipment testing and automotive industrial sealing inspection with high detection accuracy.
5. Aerospace & Military Industry
Used for rocket fuel pressurization, spacecraft pipeline purging and low-temperature component testing, serving high-end aerospace manufacturing.
Product Advantages
✅ Full Purity Coverage: Complete grades from industrial common grade to electronic 6N ultra-high purity, covering all application scenarios
✅ National Standard Compliance: Strictly implemented GB/T 4844-2018 standard, stable batch consistency and qualified indicators
✅ Ultra-Low Impurity Control: Adopts cryogenic separation and deep purification technology, ultra-low moisture and trace impurities
✅ Complete Export Documents: Each batch supports COA test report, MSDS safety sheet and full qualification documents for global customs clearance
✅ Global Adaptable Packaging: Dual-standard DOT/GB certified cylinders, compatible with import standards of various countries
✅ Stable Factory Supply: Direct factory supply with sufficient inventory, supporting small trial orders and long-term bulk cooperation
Safety & Export Compliance
All helium gas products comply with UN1046/UN1963 international dangerous goods transportation standards and GB/T 4844-2018 industrial specifications. Helium is non-toxic, non-flammable and chemically inert, but may cause oxygen deficiency and asphyxiation in closed spaces. We provide complete export documents including MSDS safety data sheet, batch COA quality certificate and origin certification, as well as professional storage, operation and transportation safety guidance to ensure safe use and smooth global customs clearance.
Company Information & Contact
Company Name: WENZHOU YINGYUE NEW MATERIALS CO., LTD
Official Website: www.yycheme.com
Email: info@yycheme.com
WENZHOU YINGYUE NEW MATERIALS CO., LTD is a professional Chinese manufacturer and exporter of industrial gases, cryogenic liquids and fine chemical products. Focusing on R&D, production and sales of high-purity industrial gases, we have a complete quality inspection system. All products are strictly tested with full qualifications, providing one-stop procurement solutions and stable supply services for global customers.

Contact: Jiang.S
Phone: +86-19304758719
E-mail: info@yycheme.com
Whatsapp:+86-18966258719
Add: Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province, 325604, China