Water Gels 3 : Any of a variety of blasting materials that contain substantial pro-portions of water and high proportions of ammonium nitrate; some are sensitized by an explosive and others are sensitized with metals or other fuels
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}