A colorless,nonflammable,liquefied gas.(一种无色、不燃、液化气体) Formula(分子式): SF6 Molecular weight(分子量): 146.05 Boiling point(沸点): -50.8℃,-64.84°F; Melting point(融点): -63.7℃,-82.66°F. Vapor Pressure(蒸汽压): 2200Kpa(21.1℃);320Psia(70°F) Specific Volume(比容): 0.16m3/kg(21.1℃,101.325KPa) 2.15ft3/lb(70°F,14.696psia) Threshold Limit Value(人体的最高容许浓度): 1000ppm UN Number(UN号码): UN1080 DOT Classification(DOT类别): 2.2(Nonflammable Gas)(不燃气体) DOT Label(DOT标签): NON-FLAMMABLE GAS(不燃气体) Cylinder Connection(钢瓶接口): CGA/DISS/JIS--590/716/W22-14R Grsde(级别) 5N Purity(纯度) 99.999% Guaranteed Specification(保证规格)
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