Medical oxygen is high purity oxygen that is used for medical treatments and is developed for use in the human body. Medical oxygen cylinders contain a high purity of oxygen. Medical oxygen cylinders contain a high purity of oxygen gas. No other types of gases are allowed in the cylinder to prevent contamination.There are additional requirements and rules for medical oxygen, including requiring a person to have a prescription to order medical oxygen. Medical oxygen requires a prescription to assure user safety and patients are getting the correct percentage of oxygen for their needs. Industrial oxygen is focused on uses in industrial plants including combustion, oxidation, cutting and chemical reactions. The industrial oxygen purity levels are not appropriate for human use and there could be impurities from dirty equipment or industrial storage that could make people ill. Some common uses of industrial oxygen include: Welding, cutting, flame cleaning, etc. Metal manufacturing, such as in steel production. Assisting in the creation of certain fuels. A bleaching chemical to help create paper and paper-based products.