Helium

Helium is a rare gas, colorless and odorless, helium can be used as a pressure feed agent and booster agent for rocket liquid fuel.

Helium is used as a protective gas in smelting and welding, which is important in shipbuilding and in the manufacture of aircraft, spacecraft, rockets and weapons.

Helium has excellent permeability, and is used for cooling nuclear reactors, as well as for leak detection of rockets and some pipes in nuclear reactors and electronic and electrical devices.

• Prev：Liquefied petroleum gas
• Helium
• Next：Diesel oil