Gas Mixtures


Selecting the right combination of blend tolerance, analytical tolerance and traceability is easy when you’ve got help from the right supplier. Airgas, an Air Liquide company, offers six grades, covering most specification requirements:

  • EPA protocol gases
  • Traceability standards
  • Primary standards
  • Precision blends
  • Certified standards
  • Batch certified


Our labs have it down to a science with AcuGravTM

All of our specialty gas filling locations use AccugravTM, our patented filling system that’s totally computerized and provides precise, quality gas mixtures every time. This technical achievement is radically changing the definition of precision and quality in specialty gas mixtures.

The right supply modes

You can count on Airgas to meet your gas supply needs safely and reliably with a full range of supply modes, including:

  • High- and low-pressure cylinders
  • Portable liquid dewars
  • Airgas MicroBulk
  • On-site tube trailers

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Talk to an expert about your gases, hardgoods and safety needs.