Alcohol-Type Foam : A type of foam developed for use on water soluble, water miscible, or "polar solvent type" flammable liquid fires; it is a mechanical foam that does not require a generator
Ralph W. Burklin & Robert G. Purington, Fire Terms: A Guide to Their Meaning and Use, National Protection Association, Boston, MA 1980 USA. (Guide: Meaning and Use, Nat Prot Association Fr Srvc - Amer) {457}