Sulphur hexafluoride is manufactured by direct fluorination of pure (elemental) Sulphur, generally by companies who produce fluorine for other purposes such as the production of fluorocarbons.
Grade Classification | GB/T12022-2006 | IEC376-71 | High Purity | |
3.5N | 4N | |||
(SF6) % | ≥99.9 | ≥99.8 | ≥99.95 | ≥99.99 |
Air % | ≤0.04 | ≤0.05 | ≤0.03 | ≤0.003 |
(CF4) % | ≤0.04 | ≤0.05 | ≤0.03 | ≤0.003 |
Water ppm | ≤5 | ≤8 | ≤3 | ≤1 |
Acidity ppm | ≤0.2 | ≤0.3 | ≤0.15 | ≤0.1 |
Hydrolyze fluoride(As HF) ppm | ≤1 | ≤1 | ≤0.8 | ≤0.2 |
Mineral oil ppm | ≤4 | ≤10 | ≤3 | ≤1 |
Toxicity | Non-tox. | Non-ox. | Non | Non |
1. Q: Is sulfur hexafluoride a greenhouse gas?
A: Sulphur hexafluoride is controlled under The Koto Protocol, an international Framework Convention with the objective of reducing greenhouse gases.
2. Q: What is the formula for sulfur hexafluoride?
A: The chemical formula of sulfur hexafluoride is SF6, the molar mass is 7.1kg, and the density is 6.0886kg/m³.
3. Q: What's the specification can you supply?
A: Cylinder: 44L Valve: DISS716 Content: 50kg
4. Q: What are the uses of sulfur hexafluoride?
A: Electronic grade high-purity sulfur hexafluoride is an ideal electronic etchant, widely used in the field of microelectronics.
Sulfur hexafluoride can also be used in the smelting and casting process of non-ferrous metals, as well as in the degassing and purification of aluminum and its alloy melts.
Mainly used for arc extinguishing in high-voltage switches, and used as insulating materials in large-capacity transformers and high-voltage cables.