oxygen o2 gas cylinders

Oxygen O2 gas cylinder oxygen gas -99.5% purity -seamless steel oxygen gas cylinders package -filling pressure max up to 200bar -factory price Description: Colorless and odorless Does not burn, but supports and accelerates combustion Non-toxic at atmospheric pressure Model Industrial oxygen gas (oxygen, compressed) Medical oxygen gas (oxygen, compressed) Molecular Formula O2 UN No. UN1072 CAS No. 7782-44-7 Hazardous class for transport 2.2 Trade mark Hengan Uses: The use of