Extinghuishers are classified according to the type of extinguishing medium they contain. At the present the types of extinguishers and the uses for which they are recommended are as follows:
Extinguishing Medium | Recommended for use on fires involving |
Water, Water with additives | Wood, paper, textiles and similar material |
Foam | Wood, paper, textiles and flammable liquids |
Dry powder/dry chemical (standard/ class B,C) | flammable liquids, electrical equipment and flammable gases |
Dry powder/dry chemical (Multiple or general purpose/ classes A,B,C) | Wood, paper, textiles, flammable liquids, electrical equipment and flammable gases |
Dry powder/ dry chemical (metal) | Combustible metals |
Wet chemical for class F or K | flammable liquids and electrical equipment |
Clean agents |