Foam

Question 1

What are the advantages of 3% & 6% foam?

Answer 1

• Less water to extinguish fire
• Reduces danger of re-ignition
• Can flood areas/compartments
• On shipboard fires: the lightness reduces stability issues
• Can be used where access and use of water is unavailable
• Only agent that will put out Class ‘B’ fires
• Adhesion to surfaces

Question 2

When would you use a foam concentrate of 3%?

Answer 2

Hydrocarbons (petrol, diesel, kerosene, etc.)

Question 3

When would you use a foam concentrate of 6%?

Answer 3

Polar Solvents (alcohol-based fuels such as methanol)