Schwefelhexafluorid
key2: China
key3: Etwa 30 Tage nach der Anzahlung
1. Zuverlässiges Isoliermedium: Schwefelhexafluorid ist eines der besten Isoliergase und kann Durchschlagphänomene unter Hochspannungsfeldern wirksam verhindern, wodurch der sichere und stabile Betrieb elektrischer Geräte gewährleistet wird.
2. Einzigartige Elektronegativität: SF₆-Moleküle besitzen eine starke Fähigkeit, freie Elektronen zu adsorbieren, wodurch sie Lichtbögen, die bei Stromunterbrechungen entstehen, schnell löschen können.
99.999% (5N) SF6 gas
Index
10L
Name：SF6 gas
Valve/Thread outlet:G5/8 CGA590
Filling weight：M3/KG：about 20kg/3.2 m3
Size：710*152
1. Electric power industry
· Gas-insulated switchgear: Sulfur hexafluoride is used in fully enclosed GIS as an insulating and arc-extinguishing medium, making the substation structure more compact and suitable for urban, underground, and other space-constrained locations.
· High-voltage circuit breaker: Especially SF₆ circuit breaker, with its powerful arc-extinguishing capability, has become a key protective device in high-voltage and ultra-high-voltage power grids.
High-voltage transformers, current transformers, and cables: Sulfur hexafluoride is used as an insulating medium to enhance the safety and reliability of the equipment.
· High-voltage laboratory: sulfur hexafluoride as the insulating medium for standard capacitors.
2. Metal processing and manufacturing
· Protective gas for magnesium alloy: During the melting and casting process of magnesium alloy, SF₆ forms a protective atmosphere with the air, effectively preventing the oxidation and combustion of molten magnesium. It is a key gas for ensuring production safety.
3. Electronics and semiconductor industry
· Plasma etching: In semiconductor manufacturing, SF₆ is widely used in plasma etching processes for materials such as silicon and silicon nitride.
· Equipment cleaning: Sulfur hexafluoride is used for chamber cleaning in chemical vapor deposition equipment.
4. Medical field
· Ophthalmic surgery: Sulfur hexafluoride is used as an intraocular filler in complex retinal detachment repair surgeries, leveraging its inertness, transparency, and certain buoyancy to assist in the reattachment of the retina.
· Ultrasound contrast imaging: Sulfur hexafluoride is used as the filling gas for microbubbles as a contrast agent in ultrasound imaging.
Safety Instructions
1. Physiological safety: Pure SF₆ gas is non-toxic, but its density is much higher than that of air. When it leaks in large quantities in a closed or poorly ventilated space, it will accumulate in low-lying areas, causing oxygen deprivation and posing a risk of suffocation.
2. Treatment of decomposition products:
Under the influence of electric arcs or spark discharges, SF₆ decomposes, producing low fluorides. These decomposed substances are toxic and corrosive.
When handling used SF₆ gas, it is necessary to use a professional recycling and purification device. Operators should wear protective equipment and ensure that the working environment is well-ventilated
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