... : 1. high content of phosphorus and nitrogen, good flameproof effect;2. high polymerization degree, low solubility in water ... to prepare many kinds of high-efficiency expanding-type flameproof coating, the flameproof treatment for multistory building, ships, trains, cables, ... etc. 2. used in the flameproof treatment for woods, plywood, fiberboard, papers, fibers, etc.3 ...