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SF6, Sulfur Hexafluoride

Concorde Specialty Gases

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SF6, Sulfur Hexafluoride

Sulfur Hexafluoride (SF6) is an inorganic, colorless, odorless, and non-flammable gas.  SF6 primary use is in the electrical industry as a gaseous dielectric medium for various voltage circuit breakers, switchgear and other electrical equip,ment, often replacing oil filled circuit breakers (OCBs) that can contain harmful PCBs.  SF6 gas under pressure is used as an insulator in gas insulated switchgear (GIS) because it has a much higher dielectric strength than oir or dry nitrogen.  This property makes it possible to significantyly reduce the size of the electrical gear.

Safety Requirements:

The cryogenic liquid will rapidly boil to the gas at standard temperatures and pressures.  The liquidfied gas can cause frostbite to any contaminated tissue.  The main health hazard associated with release of this gas is asphyxiation by displacement of oxygen (see MSDS for further information).

99.99% Sulfur Hexafluoride Grade:

  99.99% SF6 Grade Maximum Impurities
Sulfur Hexafluoride
99.99%
Oxygen (O₂)
<75 ppmv
Nitrogen (N₂)
<200 ppmv
Water (H₂O)
<5 ppmv
Hydrolyzable fluoride, expressed as HF
<0.3 ppmv
Carbon Tetrafluoride (CF₄)
<75 ppmv
Toxicity
None
 99.999% SF6 Ultra High Purity Grade:
  99.999% SF6 Ultra High Purity Grade Maximum Impurities
Sulfur Hexafluoride
99.999%
Oxygen (O₂)
< 2 ppm
Water (H₂O)
< 2 ppm
Carbon Tetrafluoride (CF₄)
< 2 ppm
 
Appearance, Safety Requirements:  Colorless gas, compressed under pressure.  Non-flammable, non-explosive, has a moderate general toxic action in inhalation contact.
  Physical Constants
Chemical formula
SF₆
Molecular Weight
146.065
Specific volume @ +70°F (+21.1°C)
2.648 ft³/lb., 0.165 m³/kg
Critical pressure
545.34. psia, 37.59 bar
Critical temperature
113.97°F, 45.54°C
Specific gravity @ 70°F, 1 atm (Air=1)
5.043
Hazardous Class
2.2
Vapor Pressure
320 psig
Boiling Point
-82.7°F, -63.72°C

DownloadsSF6 Gas – Material Safety Data Sheet

SF6 – Concorde’s Spec. August 8, 2016
SF6, Sulfur Hexafluoride Industry Specifications pdf.
SF6 Gas – Material Safety Data Sheet

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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 or use our Contact Form.

ConcordeTrak - SF6 Gas Management and Tracking System

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

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

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

Xenon Gas
Krypton Gas
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Concorde Specialty Gases, Inc., 36 Eaton Road, Eatontown, NJ 07724 USA