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 |
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 |
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.