Customization: | Available |
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CAS No.: | 7440-59-7 |
Formula: | He |
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Helium, the least reactive element. Helium is normally a colorless, odorless gas and is the only substance that cannot solidify at standard atmospheric pressure.
Basic Info. | |
DOT Class | 2.2 |
Un Number | Un 1046 |
Cylinder Standard | DOT/ISO/GB |
Cylinder Pressure | 15MPa/20MPa |
Valve | QF-2/CGA580 |
Melting Point | -272.2 ºC |
Appearance | Colorless, Odorless |
Boiling Point | -268.9 ºC |
Density | 0.1786 Kg/M3 |
Molecular Weight | 4.0026 |
Transport Package | 40L, 47L, 50L |
Specification | 99.999% |
Trademark | Shandong Janssen |
Origin | China |
HS Code | 28042900 |
Production Capacity | 100000 M3/Year |
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 |
Q: What's JANSSEN main sales products?
A: We mainly supply specialty/rare/industrial/gases, gas equipment , gas regualtors and valves.
Q:What's JANSSEN order MOQ?
A: We advice our customer one container to consider shipping charge, anyway we prefer our clients demand.
Q:How long is the delivery time?
A:Normally 30 days after deposit paid.
Q:Which port will you ship?
A: Rizhao, QingDao , Dalian or according to customers' demand.
Q:Can you provide Assurance Trade Order ?
A: Yes if you just purchase empty gas cylinder.
Q:Can we visit JANSSEN factory ?
A: Welcome to our factory , we will serve for you best.
Q: Are you a factory or a trading company?
A: We are a manufacture and trade integration company. We have five workshops and one office building.