Foam 5 : A sudslike extinguishing agent formed by mixing a foam-producing compound with water. Mechanical foam is produced by agitation., chemical foam is produced when two or more chemicals react
Tatyana Davletshina, Industrial Fire Safety Guidebook, Noyes Publications, New Jersey 07675, USA 1998. http://www.aura-o.aura-astronomy.org/aura/sites/de fault/files/files/Referencia_Bibliografica/industr ial%20fire%20protection%20handbook.pdf, (IndFrS - Amer) {470}