High Purity 99.999% 5n He Cylinder Gas Helium

• CAS No.: 7440-59-7
• Formula: Heunno.;Un1046casn
• EINECS: 231-168-5
• Constituent: Industrial Pure Air
• Grade Standard: Electronic Grade
• Chemical Property: Non-Flammable Gas
• Model NO.: He
• Appearance: Colorless, Odorless
• Cylinder Standard: DOT/ISO/GB
• Cylinder Pressure: 15MPa/20MPa
• Valve: Qf-2/Cga580
• Transport Package: He Cylinder
• Specification: 4L 8L 40L 47L 50L
• Trademark: CMC
• Origin: China
• HS Code: 2812191090
• Production Capacity: 3000piece/Month

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:

1. Chemical Composition: Helium is composed of single helium atoms (He).

2. 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.

3. 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.

4. 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.

5. 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 Advantages

1. 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.

FAQ

1. 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