Great Quality High Purity UHP Industrial Gas Helium He Gas 99.999%/99.9999% 6m3/7m3/10m3 China Factory Best Prices
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- Commodity name: Great Quality High Purity UHP Industrial Gas Helium He Gas 99.999%/99.9999% 6m3/7m3/10m3 China Factory Best Prices
CAS No.：7440-59-7</br> Formula：He</br> EINECS：231-168-5</br> Constituent：Industrial Pure Air</br> Grade Standard：Industrial Grade</br> Chemical Property：Non-Flammable Gas
Basic Info.
Molecular Weight 4.0026 Density 0.1786 Kg/M³ Melting Point -272.2℃ Boiling Point -272.2℃ Appearance Colorless, Odorless Un Number Un 1963 DOT Class 2.2 Valve QF-2/CGA580 Cylinder Standard DOT/ISO/GB Cylinder Pressure 15MPa/20MPa Transport Package 40L, 47L, 50L Specification 99.999% Trademark JANSSEN Origin China HS Code 28042900 Production Capacity 2,000,000 M³/Year Helium, the least reactive element. Helium is normally a colorless, odorless gas and is the only substance that cannot solidify at standard atmospheric pressure.
SpecificationSpecification 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 Key words:- He
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