Mechanical foam is produced by mixing a foam concentrate with water to produce a foam solution.
The bubbles are formed by the turbulent mixing of air and the foam solution. As the name air foam implies that the bubbles are filled with air. Aside from the workmanship and efficiency of the equipment, the degree of mixing determines the quality of the foam. The design of the equipment determines the quantity of foam produced. There are several types of mechanical foams, similar in nature, but each has its own special fire-fighting capabilities.
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