Ultra-Pure Helium
Product Details
Product Names
Ultra-Pure Helium
Purity
Ultra-Pure Helium: ≥99.9999%
High-Purity Helium: ≥99.999%
Impurity Content (ppm)
| Impurity | Ultra-Pure Helium | High-Purity Helium |
|---|---|---|
| Water (H₂O) | ≤0.5 | ≤3 |
| Oxygen (O₂+Ar) | ≤0.1 | ≤1 |
| Nitrogen (N₂) | ≤0.5 | ≤2 |
| Carbon Monoxide (CO) | ≤0.1 | ≤0.5 |
| Carbon Dioxide (CO₂) | ≤0.1 | ≤0.5 |
| Hydrocarbons (THC) | ≤0.1 | ≤0.5 |
Packaging
Filled in steel cylinders of 40L, 49L, 50L, and also available in smaller cylinders of 8-10L upon customer request.
Applications
Helium is widely used in military, scientific research, petrochemical, refrigeration, medical, semiconductor, pipeline leak detection, superconductivity experiments, metal manufacturing, deep-sea diving, precision welding, and optoelectronic product manufacturing.
Safety Information
CAS Number: 7440-59-7.
Physical and Chemical Properties: Colorless and odorless inert gas. Insoluble in water and ethanol. Melting point (℃): -272.1; Boiling point (℃): -268.9; Relative density (water=1): 0.15 (-271℃); Relative density (air=1): 0.14; Saturation vapor pressure (kPa): 202.64 (-268℃); Flash point (℃): Not applicable; Combustion heat (kJ/mol): Not applicable; Critical temperature (℃): -267.9; Critical pressure (MPa): 2.3; Upper explosion limit (v%): Not applicable; Lower explosion limit (v%): Not applicable; Ignition temperature (℃): Not applicable.
Combustion and Explosion Hazards: Non-flammable. Under high heat, the pressure inside the container may increase, posing a risk of rupture and explosion.
Firefighting Methods: Non-flammable. Remove containers from the fire area if possible. Spray water to keep the containers cool until the fire is out. Evacuate people to the upwind side and isolate the contaminated area. Emergency personnel should wear self-contained positive pressure breathing apparatus and general work clothes. Cut off the leak source if possible. Ensure adequate ventilation to disperse the gas. Handle the leaking container properly, repair and inspect before reuse.
Health Hazards: Inert gas, high concentrations can reduce oxygen partial pressure and pose a risk of asphyxiation. Symptoms include increased breathing rate, lack of concentration, ataxia, followed by fatigue, restlessness, nausea, vomiting, coma, convulsions, and potentially death.
First Aid Measures: Inhalation: Quickly move to a fresh air area. Keep the airway clear. If breathing is difficult, administer oxygen. If breathing stops, perform artificial respiration immediately. If breathing and heartbeat stop, perform artificial respiration and external chest compressions immediately.
Отправить запрос, связаться с поставщиком
Другие товары поставщика
 |
Highly micronized washed kaolin ASP 600 | Product Description Highly micronized washed kaolin ASP 600 is a fine particle-size, standard brightness grade of aluminum silicate with an acid p... |
 |
Wood grain transfer powder coating | Product introduction: Transfer powder coating can form various patterns or patterns on the coating on the substrate through transfer technology. T... |
 |
MT-A601 Series Powder Coating | Product Overview The Surpass MT-A601 Series powder coating is a high-performance coating solution engineered for computer cases, including desktop... |
|
|
High-Temperature Resistant Powder Coating | Product Introduction: High-temperature resistant coatings are typically defined as those whose films do not change color, do not flake off, and ca... |
 |
Polyester based powder coatings MT-600 AM | Product Description MT-600 AM is a series of polyester based powder coatings, formulated with the use of TGIC, designed for the exterior environme... |
Похожие товары
 |
Aluminium Garden Ornaments | Продавец: LianJiang Metals Company | Aluminium Garden Ornaments Aluminum garden ornamentsare decorative pieces made of aluminum that ... |
 |
Powder Coating for Automotive Bodies | Продавец: Standard International Group (HK) Limited | Powder Coating for Automotive Bodiesis a weather-resistant pure polyester powder coating series d... |
 |
Powder Coatings for Agricultural and Construction Machinery | Продавец: Standard International Group (HK) Limited | Powder Coatings for Agricultural and Construction Machineryis an ultra-weather-resistant polyeste... |
 |
Powder Coatings for Agricultural and Construction Machinery MT-601 | Продавец: Standard International Group (HK) Limited | Powder Coatings for Agricultural and Construction Machinery MT-601is an outdoor polyester powder ... |
 |
Powder Coating for Agricultural and Construction Machinery MT-602 | Продавец: Standard International Group (HK) Limited | Powder Coating for Agricultural and Construction Machinery MT-602is an outdoor polyester powder c... |
