Phos-Chek Class A Foam

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Specially formulated to make water more effective. The unique combination of surfactants significantly reduce water's surface tension, creating a superior foam blanket when mixed with air that surrounds fuels with a thick layer of water. This creates a barrier between the fuel and the fire, knocking down the fire faster than water alone, allowing firefighters to see the areas of application.
Fully tested and approved by the USDA Forest Service for use in multi-engine fixed-wing tankers and single-engine air tankers, fixed-wing water scoopers, helicopters equipped with buckets and fixed-tanks and ground engines. USDA Forest Service Approved, UL Listed.

It contains no hazardous materials. Readily biodegradable and has no flash point, making it safe to use near open flames. Unaffected by freezing and thawing, giving it unlimited shelf life. Highly effective for fighting all types of Class A fires when mixed with water at a ratio of 0.1% to 1.0%. It has proven its effectiveness in all application methods including CAFS. An ideal tool for control of prescribed burning.

Safe for use and biodegradable!
Phos-Chek WD 881 concentrate and its solutions have been extensively tested for short and long term exposure and was found not to pose a significant hazard to human health. All ingredients in WD 881 were studied by the U.S. Food and Drug Administration and approved for use in various types of indirect food additive. 

5-Gallon Pails of Class A Foam WD881 available for same or next business day shipping!