Monnex 2 : trade name A noncaking dry-powder extinguishing agent made of urea and alkali bicarbonate that is generally more effective than sodium bicarbonate or potassium bicarbonate
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}