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Helium-3 supplier for :
• Neutron detectors, proportional counters
• Ring laser gyro inertial navigation systems
• Cryogenics, cryostats, ultra low temperature systems
• Hyperpolarized gas M.R.I.
• Research and development laboratories
• Fundamental physics


Chemgas is the world’s leading supplier of helium-3 and isotopic gases.
Chemgas has the world’s largest inventory of 3He and is the best source
to offer helium-3 with various isotopic enrichment, high chemical purity,.
fast deliveries & competitive prices..


31 bis avenue Robert Schuman - 92100 Boulogne - France
Tél : +33 1 48 25 33 37     Fax : +33 1 48 25 92 40     Email :