Basic Info.
Formula
Heunno.;Un1046casn
Constituent
Industrial Pure Air
Grade Standard
Electronic Grade
Chemical Property
Non-Flammable Gas
Appearance
Colorless, Odorless
Cylinder Standard
DOT/ISO/GB
Cylinder Pressure
15MPa/20MPa
Transport Package
He Cylinder
Specification
4L 8L 40L 47L 50L
Product Description
Product Description
Helium gas (He) is a colorless, odorless, and inert noble gas. It is the second-lightest element in the periodic table, with an atomic number of 2. Here are some key points about helium gas:
Chemical Composition: Helium is composed of single helium atoms (He).
Properties: Helium possesses several important properties:
Inertness: Helium is chemically inert, meaning it does not readily react with other elements or compounds. It is non-toxic and does not support combustion.
Low Density: Helium is lighter than air and has a very low density. This property allows helium-filled balloons to float in the air.
Low Boiling and Melting Points: Helium has a boiling point of -268.93 degrees Celsius (-452.07 degrees Fahrenheit) and a melting point of -272.2 degrees Celsius (-457.96 degrees Fahrenheit), which are the lowest among all elements.
Excellent Thermal Conductivity: Helium has a very high thermal conductivity, making it useful in various cooling applications, such as cooling superconducting magnets in medical magnetic resonance imaging (MRI) machines.
Low Solubility: Helium is sparingly soluble in water and other common solvents.
Occurrence and Production: Helium is relatively rare on Earth and is primarily obtained from natural gas deposits. It is a byproduct of the natural decay of radioactive elements, such as uranium and thorium, within the Earth's crust. The extraction of helium involves the purification of natural gas through cryogenic processes.
Uses: Helium gas has several important applications:
Balloons and Airships: Helium's low density makes it ideal for filling balloons and airships to provide buoyancy.
Cryogenics: Helium is used as a cryogenic coolant in various applications, including scientific research, superconducting magnets, and cooling of certain metals during manufacturing processes.
Welding and Leak Detection: Helium is utilized as a shielding gas in welding processes to protect the weld area from atmospheric contamination. It is also commonly used in leak detection due to its low molecular size and inertness.
Breathing Mixtures: Helium-oxygen mixtures, known as heliox, are used in certain medical treatments and deep-sea diving to reduce the effects of high pressure on the body.
Scientific Research: Helium is essential for various scientific research applications, such as in cryogenics, nuclear magnetic resonance (NMR) spectroscopy, and particle accelerators.
Aerospace: Helium is used in certain aerospace applications, including pressurizing fuel tanks and purging systems.
Conservation and Supply: Helium is a non-renewable resource, and its supply is limited. It is important to conserve and manage helium usage responsibly, especially for critical applications such as medical and scientific research.
It's worth noting that helium is a finite resource, and its scarcity and importance have led to efforts to promote responsible helium usage and conservation.
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 | 10L,40L, 47L, 50L | Specification | 99.999%, 99.9999% |
Trademark | CMC | Origin | China |
HS Code | 28042900 | Production Capacity | 20, 000 Tons/Year |
Specification:
Helium, the least reactive element. Helium is normally a colorless, odorless gas and is the only substance that cannot solidify at standard atmospheric pressure.
Specification:
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 |
Detailed Photos Company Profile
Shanghai Kemike Chemical Co., Ltd is staffed by trained personnel, combine many years experience in Gas industry .We supply cylinder gas, electronic gas, etc ., and the gas holder, panel, valves and fittings and other equipment, parts and engineering services to our customers in China and worldwide; The products are involved in various industrial fields, such as semiconductor chip, solar cell, LED, TFT-LCD, optical fiber, glass, laser, medicine , etc., Our mission is to partner with our global customers to provide support, solutions and quality products that are innovative,reliable, and safe.
Our products mainly include: H2, O2, N2, Ar, CO2, propane, acetylene, helium, laser mixed gas, SiH4, Sih2cl2, SiHCL3, SiCL4, NH3, CF4, NF3, SF6, HCL, N2O, doping mixed gas (TMB, PH3, B2H6) and other electronic gases.
Our Advantages1. Fast delivery;
2. Stable raw material source;
3. On-line analysis system for quality control in every step;
4. High requirement and meticulous process for handling cylinder before filling;
Our carbon monoxide have been exported to many countries like India, Pakistan, Malaysia, Indonesia, Australia, Singapore, Maldives and Ecuador.
Since the establishment of our company, it has received universal praise by virtue of good reputation, high quality and perfect after service.FAQ1. Q: Are you a factory or a trading company?
A: We are a manufacture and trade integration company. Expert R&D department and sophisticated supply chain is our key of success.
2. Q: Are bulk orders and multiple product orders available?
A: Yes, we have a strong production supply system to make sure all of your requirements satisfied. One station product solution is our aim of service.
3. Q: What if I never imported this product before, how do I do it?
A: Don't worry. We have import and export experience with over 50 countries over the world, our fulfillment department will guide you every step of the process.
4. What is the MOQ?
Different products have different min order. It's depends on the kind the gas and the cylinder specifications. Please feel free to contact with me directly for your requirement.
5. Q: Why choice us Kemike Gas ?
A: Stable Supply, Professional Solution, Reasonable Price, and Safety Business with our Taiyu.
6. Q: 3. How does your factory do the quality control?
A: We have standard quality control procedure.
a> In production, we have quality analysis system to make sure each step is qualified.
b> Before filling, we do the pre-treatment for the cylinders to clean well.
c> After filling, we will do 100% inspection analyze before delivery.
7. Q:Is it possible to ship by air?
A:Gases are classified into class 2.1, class 2.2 and class 2.3 which are inflammable gas, non-flammable gas and poisonous gas. According to regulation, inflammable gas and poisonous gas cannot be shipped by air, and only non-flammable gas can be transported by air. If the amount purchased is large, sea transportation is better.
8. Q:Can I customize the package?
A:Yes of course! The most regular package is cylinder. Its size, color, valve, design and other requirements can all be met.
9. Q: What is the package & storage details?
A:Seamless steel cylinder with different valves, or as to your requirement.
Stored in shady, cool, dry, ventilated warehouse, and keep away from sunlight and ramming.
10. More question......
Feel free to contact us, you will get immediately reply
Address:
Building 1, No. 688, Qiushi Road, Jinshanwei Town, Jinshan District, Shanghai, China
Business Type:
Manufacturer/Factory
Business Range:
Chemicals
Company Introduction:
Shanghai Kemike Chemical Co., Ltd is a professional company devoted to the development of semiconductor chemical vapor deposition materials. It sells all kinds of advanced CVD/ALD (Chemical Vapr Deposition/Atomic Layer Depostion) chemical vapor deposition materials. It provides high-tech advanced materials companies from the front [synthesis, purification, analysis] process integration to the back [filling and packaging, container manufacturing, technical services]. Our mission is to partner with our global customers to provide support, solutions and quality products that are innovative, reliable, and safe. Contact us today to discuss your needs and to find out how we can help you.
Shanghai Kemike Chemical Co., Ltd is staffed by trained personnel, combine many years experience in Gas industry. We supply cylinder gas, electronic gas, etc., and the gas holder, panel, valves and fittings and other equipment, parts and engineering services to our customers in China and worldwide; The products are involved in various industrial fields, such as semiconductor chip, solar cell, LED, TFT-LCD, optical fiber, glass, laser, medicine, etc., Our mission is to partner with our global customers to provide support, solutions and quality products that are innovative, reliable, and safe.
Our products mainly include: H2, O2, N2, Ar, CO2, propane, acetylene, helium, laser mixed gas, SiH4, Sih2cl2, SiHCL3, SiCL4, NH3, CF4, NF3, SF6, HCl, N2O, doping mixed gas (TMB, pH3, B2H6) and other electronic gases.