Buy Helium Gas or Purchase Liquid Helium (He)

Helium is a highly specialized product. It’s chemically inert and non-flammable, with high thermal conductivity, low molecular weight and size, and the lowest boiling point known.

At Praxair, we deliver gas and liquid helium (He) in a variety of purities up to 99.999%. Explore the chart below to view the spec sheets and safety data sheets for our pure helium products and a few of our popular welding mixtures. If you don’t find what you’re looking for, contact us and we’ll manufacture a binary or multi-component helium mixture to meet your unique specifications. 

Product Name Concentration Safety Data Sheet Spec Sheet
Helium Gas > 99% Helium Gas Safety Data Sheet (59.1KB) Helium Gas Spec Sheet (231KB)
Liquid Helium > 99% Liquid Helium Safety Data Sheet (63.6KB) Liquid Helium Spec Sheet (161KB)

At Praxair, we develop the right grades for the right applications. Give us a call and we’ll help you get the most out of your liquid helium and helium gas.