|
| MOQ: | 1 Piece |
| Price: | US $300/PC |
| Standard Packaging: | Cylinder/Tank |
| Delivery Period: | 15 days |
| Payment Method: | L/C, T/T |
| Supply Capacity: | 3000 Pcs/Month |
Helium gas is a colorless, odorless, and tasteless element that belongs to the noble gas group on the periodic table. It is the second lightest element after hydrogen and has the lowest boiling point of all elements. Helium is represented by the chemical symbol He and has an atomic number of 2.
Properties and Characteristics:
Density and State: Helium is a lighter-than-air gas, with a density about seven times less than that of air. It exists in a gaseous state at standard temperature and pressure (STP).
Boiling and Melting Points: Helium has an extremely low boiling point of -268.93 degrees Celsius (-452.07 degrees Fahrenheit) and a melting point of -272.2 degrees Celsius (-457.96 degrees Fahrenheit). These low temperatures make helium an ideal coolant for various applications.
Inertness: Like other noble gases, helium is chemically inert, meaning it does not readily react with other elements or compounds. It has a stable electron configuration with two electrons in its outermost shell, making it highly stable and non-reactive.
Abundance: Helium is the second most abundant element in the universe, after hydrogen. However, it is relatively rare on Earth, comprising only about 0.00052% of the atmosphere by volume.
Extraction: Helium is usually extracted from natural gas deposits, where it is found in trace amounts. It is obtained through a process called cryogenic fractional distillation, which takes advantage of the low boiling point of helium to separate it from other gases.
Uses of Helium:
Balloons and Airships: Helium is commonly used to fill balloons and airships because it is lighter than air. The low density of helium gas provides buoyancy, causing balloons and airships to float.
Cryogenics: Helium is widely used as a cryogenic coolant due to its extremely low boiling point. It is used to cool superconducting magnets in magnetic resonance imaging (MRI) machines, particle accelerators, and other scientific equipment.
Welding and Leak Detection: Helium is used as a shielding gas in welding processes such as Tungsten Inert Gas (TIG) welding, where it protects the weld area from atmospheric contaminants. It is also employed in leak detection due to its ability to diffuse rapidly through small openings.
Scientific Research: Helium plays a crucial role in various scientific research applications, including cooling down materials for studying low-temperature physics, as a carrier gas in gas chromatography, and in experiments involving low-temperature chemistry.
Breathing Mixtures: Helium-oxygen mixtures are sometimes used in deep-sea diving, particularly for commercial diving and in certain medical treatments. The low density of helium reduces the risk of decompression sickness at great depths.
It's worth noting that helium is a finite resource on Earth, and its availability is a concern due to its importance in scientific, medical, and technological applications. Efforts are being made to conserve and recycle helium to ensure its sustainable use in the future.
Basic Info.
| DOT Class | 2.2 | Un Number | 1963 |
| Cylinder Standard | DOT/ISO/GB | Cylinder Pressure | 15MPa/20MPa |
| Valve | Qf-2/Cga580 | Melting Point | -272.2 ºC |
| Appearance | Colorless, Odorless | Boiling Point | -272.2 ºC |
| Density | 0.1786 Kg/M3 | Molecular Weight | 4.0026 |
| Transport Package | 40L, 47L, 50L | Specification | 99.999%, 99.9999% |
| Trademark | CMC | Origin | Suzhou,China |
| HS Code | 28042900 | Production Capacity | 20, 000 Tons/Yea |
| Specification | Company Standard |
| He | ≥ 99.999% |
| N2 | ≤ 2.0 ppm |
| O2+AR | ≤ 1.0 ppm |
| H2 | ≤ 1.0 ppm |
| CO | ≤ 0.5 ppm |
| CO2 | ≤ 0.5 ppm |
| Ne | ≤ 1.0 ppm |
| CH4 | ≤ 0.5 ppm |
| Moisture | ≤ 0.5 ppm |
|
|
| MOQ: | 1 Piece |
| Price: | US $300/PC |
| Standard Packaging: | Cylinder/Tank |
| Delivery Period: | 15 days |
| Payment Method: | L/C, T/T |
| Supply Capacity: | 3000 Pcs/Month |
Helium gas is a colorless, odorless, and tasteless element that belongs to the noble gas group on the periodic table. It is the second lightest element after hydrogen and has the lowest boiling point of all elements. Helium is represented by the chemical symbol He and has an atomic number of 2.
Properties and Characteristics:
Density and State: Helium is a lighter-than-air gas, with a density about seven times less than that of air. It exists in a gaseous state at standard temperature and pressure (STP).
Boiling and Melting Points: Helium has an extremely low boiling point of -268.93 degrees Celsius (-452.07 degrees Fahrenheit) and a melting point of -272.2 degrees Celsius (-457.96 degrees Fahrenheit). These low temperatures make helium an ideal coolant for various applications.
Inertness: Like other noble gases, helium is chemically inert, meaning it does not readily react with other elements or compounds. It has a stable electron configuration with two electrons in its outermost shell, making it highly stable and non-reactive.
Abundance: Helium is the second most abundant element in the universe, after hydrogen. However, it is relatively rare on Earth, comprising only about 0.00052% of the atmosphere by volume.
Extraction: Helium is usually extracted from natural gas deposits, where it is found in trace amounts. It is obtained through a process called cryogenic fractional distillation, which takes advantage of the low boiling point of helium to separate it from other gases.
Uses of Helium:
Balloons and Airships: Helium is commonly used to fill balloons and airships because it is lighter than air. The low density of helium gas provides buoyancy, causing balloons and airships to float.
Cryogenics: Helium is widely used as a cryogenic coolant due to its extremely low boiling point. It is used to cool superconducting magnets in magnetic resonance imaging (MRI) machines, particle accelerators, and other scientific equipment.
Welding and Leak Detection: Helium is used as a shielding gas in welding processes such as Tungsten Inert Gas (TIG) welding, where it protects the weld area from atmospheric contaminants. It is also employed in leak detection due to its ability to diffuse rapidly through small openings.
Scientific Research: Helium plays a crucial role in various scientific research applications, including cooling down materials for studying low-temperature physics, as a carrier gas in gas chromatography, and in experiments involving low-temperature chemistry.
Breathing Mixtures: Helium-oxygen mixtures are sometimes used in deep-sea diving, particularly for commercial diving and in certain medical treatments. The low density of helium reduces the risk of decompression sickness at great depths.
It's worth noting that helium is a finite resource on Earth, and its availability is a concern due to its importance in scientific, medical, and technological applications. Efforts are being made to conserve and recycle helium to ensure its sustainable use in the future.
Basic Info.
| DOT Class | 2.2 | Un Number | 1963 |
| Cylinder Standard | DOT/ISO/GB | Cylinder Pressure | 15MPa/20MPa |
| Valve | Qf-2/Cga580 | Melting Point | -272.2 ºC |
| Appearance | Colorless, Odorless | Boiling Point | -272.2 ºC |
| Density | 0.1786 Kg/M3 | Molecular Weight | 4.0026 |
| Transport Package | 40L, 47L, 50L | Specification | 99.999%, 99.9999% |
| Trademark | CMC | Origin | Suzhou,China |
| HS Code | 28042900 | Production Capacity | 20, 000 Tons/Yea |
| Specification | Company Standard |
| He | ≥ 99.999% |
| N2 | ≤ 2.0 ppm |
| O2+AR | ≤ 1.0 ppm |
| H2 | ≤ 1.0 ppm |
| CO | ≤ 0.5 ppm |
| CO2 | ≤ 0.5 ppm |
| Ne | ≤ 1.0 ppm |
| CH4 | ≤ 0.5 ppm |
| Moisture | ≤ 0.5 ppm |
