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40L High Purity 99.999% Electronic Grade Sulphur Hexafluoride Gas Cylinder
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 equipment, 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 air or dry nitrogen. This property makes it possible to significantly reduce the size of the electrical gear.
99.99% Sulfur Hexafluoride Grade:
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 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
Term of Trade 1.MSDS & COA are available once request; 2.Payment Term: T/T; 3.MOQ: one 20' container; 4.Delivery Time: within 10 days after 30% TT deposit, balance before delivery.
Q1. Are you a manufacturer? No. However, we are sole distributor for our manufacturer. So there is no doubt that we can offer our customers the best prices.
Q2. What is your MOQ? We can quote based on our customers' quantity. However, DG cargo should be exported in one container, so we suggest that the quantity should be one container or more. Price will be less if the quantity is more.
Q3. How about your lead time of production? Normally, it is 25-30 days after PO and deposit by T/T
Q4. Can we get the COA and MSDS of the gases we need? Sure. COA and MSDS are available.
Q5. Can we send the gas cylinders back and let you refill if they are reusable? Yes. But you need to inform us in advance, because we need to handle the import customs clearance before exporting.
