Purchase Qty. Reference FOB Price
10-19 pieces US$20.00
20-29 pieces US$16.00
30+ pieces US$15.00
Product Description
Product Description Nitrogen Gas Inert element, element symbol He, is a noble gas. Helium is normally a colorless, odorless gas and is the only substance that cannot solidify at standard atmospheric pressure. The main applications of helium are as a protective gas, as a working fluid for ...