Bourbon - Filling of the Barrels
In Kentucky and Missouri companies specialize in the barrels from . The barrels may only be used once for . They hold approximately 53 American gallons (about 200 litres). Americans often use the term 'barrel' rather than ' '. There are various definitions for a barrel. The most famous barrel is the petroleum barrel, which holds 158.97 litres. The normal American , however, holds 31.5 gallons = 119.23 litres. 1 gallon corresponds to 3.785 litres.of
The barrels are first joined but not yet completely closed. Then the staves are made flexible using hot steam and can thus be bent into their oval shape.of the
The next step is special and lends staves on the inside caramelise up to a certain layer. This is later clearly visible when a barrel is disassembled. Toasting takes about 12 minutes.its unique . The , still open on one side, are held over a small fire. This process is called and makes the wood in the
After toasting the barrel is submitted to an even stronger fire treatment. It is burned on the inside with a large flame for 6 to 12 seconds, which produces a charcoal layer. The thickness of the charcoal layer can vary from grade 1 to grade 4.
After filling the barrel is closed with a and transported to the by truck.