Fire-Fighting Foam Classification Guide
CLASSIFICATION1 |
Type of Fire2 |
Foam Expansion3 |
|||
|---|---|---|---|---|---|
Hydrocarbons |
Polar liquids |
Low |
Medium |
High |
|
S |
1 |
0 |
N |
Y |
Y |
AFFF |
3 |
0 |
Y |
Y |
N |
AR-AFFF |
3 |
3 |
Y |
Y |
N |
P |
1 |
0 |
Y |
N |
N |
FP |
2 |
0 |
Y |
Y |
N |
FFFP |
3 |
0 |
Y |
Y |
N |
AR-FP |
2 |
3 |
Y |
Y |
N |
AR-FFFP |
3 |
3 |
Y |
Y |
N |
- S-Synthetic, AFFF-Aqueous film-forming foam, AR- Alcohol-resistant, P-Protein, FP- Fluoro-protein, FFFP- Film-forming fluoro-protein, AR-FFFP- Alcohol-resistant film-forming fluoro-protein
- Efficiency rating: 0-No efficiency, 1-Low efficiency, 2-Good efficiency, 3-Excellent efficiency
- Expansion level: Low-Expansion ratio between 2 to 1 and 20 to 1, Medium- Expansion ratio between 20 to 1 and 200 to 1, High- Expansion ratio more than 200 to 1.