The material is aluminum. Moka pot is a tool for extracting espresso base, because of the convenience of the operation of its coffee began to popularize the Italian family, and later gradually developed into the Italian national product, the pot uses the most material is aluminum, but aluminum will oxidize for a long time there will be aluminum rust, there will be aluminum floats, can not be used again, the melting point of aluminum is more than 2,000 degrees is very stable, so do not have to worry about the pot in the process of boiling will be aluminum! precipitation harm to the human body.