Toll Free: 1-800-818-5109

Custom and Specialty Gas Blends

Concorde Specialty Gases on-site laboratory uses a high precision gravimetric scale and blending system to ensure the greatest quality stability of the gas mixture.

Specialty gas blends are used in a wide variety of process, manufacturing, and service applications that include industrial welding applications, food packaging, LASER installations, advanced medical procedures, environmental laboratories and more.

Concorde’s specialty gas blends undergo a series of rigorous purity tests and follows the exact mixture specifications to ensure their quality. At Concorde, all specialty gas blends are done in house in our state of the art facility. We can provide both industry standard and custom gas blends to suit your exact needs.

Blend Specifications and Requirements

Blend Specifications and Requirements Chart

Blending Tolerance Range

Blending Tolerance Range

Primary Standard

  • Primary Standard is the highest resolution blend made by weight.
  • The primary mixture is certified to + 1% of each minor component when concentration is above 10 ppm.
  • Mixture of concentrations between 1 ppm to 9.9 ppm it is certified to + 2% of each minor component.
  • Mixtures of concentrations below 1 ppm it is certified to + 20% of each minor component
  • Each cylinder has a certificate of analysis complete with certified concentrations.

Certified Standard

  • Certified standard is certified to + 2% of each minor component for concentrations above 10 ppm and + 5% of each minor component for concentrations below 10 ppm.
  • The blend tolerance for a minor component maybe doubled that of a primary standard.
  • Each cylinder has a certificate of analysis complete with certified concentrations.

Custom Mixtures

  • Custom mixtures are fall under gravimetric standard in which all minor components are certified by the weight values.
  • Custom blends contain the same mixture preparation tolerance as the certified standard.
  • Each cylinder has a certificate of analysis complete with certified concentrations.

In Stock and ready o ship worldwide: SF6 Gas global provider - Concorde Specialty Gases, Inc., 36 Eaton Road, Eatontown, NJ 07724 USA

Variety of Sizes in stock and ready for shipment:

5LB, 11LB, 18LB, 20LB, 25LB, 27.5LB, 35LB, 38LB, 45LB, 50LB, 57LB, 70LB, 90LB, 115LB and 1150LB. Custom Fill available upon request.

5KG, 10KG, 12.5KG, 40KG and 50KG. Custom Fill available upon request.

To learn more about our company, and its specialty gas products and services: click here to request a quotation, call 1-800-818-5109; or send us an e-mail at

ConcordeTrac SF6 Tracking & Reporting Software - Concorde Specialty Gases

Concorde Specialty Gases, Inc.
36 Eaton Road
Eatontown, NJ 07724

Toll Free: 1-800-818-5109
Tel: 732-544-9899
Fax: 732-544-9894

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Concorde Provides:
SF6 Gas
C3F8 Gas (R-218)
CF4 Gas (R-14)
Neon Gas

Xenon Gas
Krypton Gas
Custom Gas Blends

International Shipping
ISO 9001:2015 Certified

International Shipping ISO 9001:2008 Certified

Concorde Specialty Gases Brochure

Concorde Gas Customer Pledge:


  • 100% Product Quality Warranty - Random testing by leading independent laboratories to ensure consistent product quality.
  • 100% Product Replacement Guarantee - If any Concorde Gas product fails to meet or exceed our published quality standards, we will provide a full replacement, including all shipping expenses.
  • Turnaround in One Business Day or Less - from order to shipment in the Continental US!
  • Customer Satisfaction Guarantee - We will do whatever it takes to assure that our customers are completely satisfied with Concorde’s Products and Service.
  • Recycling Programs - designed to save you money and do our part for the environment!

Concorde Gas Services:

  • Cylinder Purchase, Rental, Trade-ins
  • Customer Cylinder Refills
  • Same Day Shipping
  • Drop Ship Services
  • Private Label (OEM) Programs
  • Recycling Services
  • Custom Designed Cradle to Grave Programs
  • Major Credit Cards Accepted

We accept credit cards Visa, MasterCard and American Express.