Description

Sulfur Hexafluoride is a non-toxic, inert, and non-flammable gaseous compound with exceptional dielectric and thermal insulation properties. Its unique chemical stability and high density make it a critical material for ensuring safety and performance in high-voltage electrical systems and specialized manufacturing processes. This product is essential for industries including electrical power transmission, semiconductor manufacturing, and medical imaging, where reliability and purity are paramount.

Application

• Electrical Insulation: Primary insulating and arc-quenching medium in high-voltage circuit breakers, gas-insulated switchgear (GIS), and transformers.
• Semiconductor Manufacturing: Used as an etching and chamber cleaning agent in the plasma etching of silicon wafers.
• Medical Imaging: Serves as a contrast agent in ultrasound imaging, particularly for ophthalmology.
• Acoustic Insulation: Employed in double-pane windows and some architectural glazing to improve soundproofing.
• Tracer Gas: Utilized for leak detection in industrial and scientific applications due to its detectability and inert nature.
• Metal Processing: Provides a protective atmosphere during magnesium casting and melting to prevent oxidation.

Basic Information

Product Name	Sulfur Hexafluoride
CAS No.	2551-62-4
Molecular Formula	SF₆
Molecular Weight	146.06 g/mol
Synonyms	Sulfur(VI) Fluoride; Elegas; Esaflon; Hexafluorosulfur; SF6; Sulfur Fluoride (SF6); Perfluorosulfur Hexafluoride; Insulating Gas SF6
EINECS	219-854-2

Quality Control

Our Sulfur Hexafluoride is produced and handled under stringent quality management systems to ensure batch-to-batch consistency and high purity. It meets or exceeds relevant industry specifications for electrical and electronic grades. A comprehensive Certificate of Analysis (COA) detailing purity, moisture content, and air/acidic impurities is provided with each shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from direct sunlight and heat sources. Cylinders should be secured in an upright position. Keep container tightly sealed when not in use to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless, odorless gas
Assay (SF₆)	≥ 99.8% (v/v)
Air (O₂ + N₂)	≤ 0.05% (v/v)
Water (H₂O)	≤ 10 ppm (v/v)
Acidity (as HF)	≤ 0.3 ppm (w/w)
Hydrolyzable Fluorides	≤ 1.0 ppm (w/w)
Identification (IR)	Conforms

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.