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Common cylinder color mark standard

Views:0     Author:Site Editor     Publish Time: 2018-10-19      Origin:Site

No. Filling gas name Chemical type Bottle color Typeface Color circle


1 acetylene white acetylene can not be near fire red


2 hydrogen H2 light green hydrogen red red P=20, light yellow single ring


P=30, light yellow double ring


3 Oxygen O2 Light (酞) Blue Oxygen Black P=20, white single ring


4 nitrogen N2 black nitrogen yellowish P=30, white double ring


5 air black air white


6 carbon dioxide CO2 aluminum white liquefied carbon dioxide black P=20, black single ring


7 ammonia NH3 yellowish liquefied ammonia black


8 Chlorine Cl2 Dark green Liquefied chlorine White


9 fluorine F2 white fluorine black


10 Nitric Oxide NO White Nitric Oxide Black


11 Nitrogen dioxide NO2 White Liquefied nitrogen dioxide Black


SEFIC offers a wide range of gas cylinders

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