... colorless gas(under standard conditions). 1.Dangerous NO. : 220212.Grade:99.995%3.Usage:Electronics equipment,transformer,refrigerating fluidSF6 is used ... in the electrical industry as a gaseous dielectric medium for high-voltage (35 kV and above) circuit breakers, switchgear, and ... , Pure Inorganic Gases, Pure Organic Gases, Gas Mixtures, Gas Cylinders 99.995% High Quality Sulfur Hexafluoride SF6