Air Products serves customers in technology, energy, healthcare, food and industrial markets worldwide with atmospheric industrial gases (mainly oxygen, nitrogen, argon, hydrogen and carbon dioxide), process and specialty gases, performance materials and chemical intermediates.
Air Products produces semiconductor materials, refinery hydrogen, natural gas liquefaction (LNG) technology and equipment, epoxy additives, gas cabinets, advanced coatings and adhesives. It is also noted as addressing the hydrogen fuel cell economy through hydrogen fueling stations as well as its personal care chemicals business.
Air Products also provided the liquid hydrogen and liquid oxygen fuel for the Space Shuttle External Tank. Air Products has had a working relationship with NASA for 50 years and has supplied the liquid hydrogen used for every Space Shuttle launch and the Mercury and Apollo missions.
In 2013, Air Products' high purity BIP (built-in purifier) argon was used to determine a more accurate value for the Boltzmann Constant.