Foam

Question 1

What is foam?

Answer 1

In general foam works by forming a blanket of foam on the burning fuel. THe foam blanket excludes the oxygen and stops the burning process. The water in the foam is slowly released as the foam breaks down. This action provides a cooling effect on the fuel.

Question 2

What types of foam are there?

Answer 2

Type A
Type B

Question 3

What is type A foam used for?

Answer 3

ordinary combustibles

Question 4

What is type B foam used for?

Answer 4

flammable and combustible liquids. Think of B = Barrel

Question 5

How is type A foam formulated?

Answer 5

mixing 0.1% - 1.0% concentrate with 999 gallons of water (makes 0.1% concentrated foam) or with 99 gallons of water (makes 1.0% concentrated foam)

Question 6

How is type B foam formulated?

Answer 6

3% (3 gallons of concentrate) with 97 gallons of water
6% (6 gallons of concentrate) with 94 gallons of water