Friday, November 20, 2009

Foam vs. Gel

Published Saturday, November 01, 2008

Gel technology is becoming more recognized and used in firefighting, and some believe that gels will replace foam as a water enhancer. Foam and gel manufacturers will say that their product is better than the other and better than competitors. It is important that they believe in their product. But it is even more important that these people understand the limitations of their product and the technology. In its simplest form, foam concentrate is mixed with water to form air bubbles. These bubbles help cool and smother fires. The surfactant in foam concentrates help break down the surface ...

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