Chemdal Corporation: Works with water to douse flames, prevent rekindling, and stop Class A fires from spreading. Special polymer when mixed with water decreases temperature in fire area, allowing firefighters to move in and extinguish flames. Takes direct fire impingement, and acts as a barrier to oncoming fire when applied to surfaces such as residential/commercial buildings; foliage; and gasoline, oil, and propane tanks. Works with standard firefighting equipment and all water types. (800) CHEMDAL.