Drench is liquid water additive

Additive

Additive may refer to:* Additive function, a function that preserves the addition operation* Additive inverse, an arithmetic concept* Additive category, a preadditive category with finite biproducts...

 designed by Denko to fight Class A and B fire

Fire

Fire is the rapid oxidation of a material in the chemical process of combustion, releasing heat, light, and various reaction products. Slower oxidative processes like rusting or digestion are not included by this definition....

s. Designed to break the surface tension

Surface tension

Surface tension is a property of the surface of a liquid that allows it to resist an external force. It is revealed, for example, in floating of some objects on the surface of water, even though they are denser than water, and in the ability of some insects to run on the water surface...

of water, it is able to increase the penetration of the treated water into the burning material. Drench reduces the friction of water moving through a handline and allows the solution to vaporize faster, increasing cooling.