Busch Vacuum Pumps and Systems Economical and Safe Packaging of Sausages and Convenience Products in an Oxygen Atmosphere 3/31/14 - Maulburg - Packaging using protective gas is a common method for increasing the shelf life of sausages and convenience products. The film packaging used as part of this process must first be evacuated and the gas then drawn in. Carbon dioxide (CO2), nitrogen (N2), oxygen (O2) or a mixture of these gases are normally used for this method, known as “modified atmosphere packaging” (MAP). Treatment with oxygen involves a certain safety risk in the packaging process due to the risk of explosion in the case of concentrations of oxygen in excess of 21%. Manufacturers of packaging machines and vacuum pumps have devised different safety concepts to ensure absolute safe

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