ZINC-CONTAINING MAGNESIUM OXYCHLORIDE CEMENTS PROVIDING FIRE RESISTANCE AND AN EXTENDED POT-LIFE

摘要

A fire barrier composition in the form of a zinc-containing magnesium oxychloride cement is described. The composition exhibits a prolonged pot-life as well as reduced thermal popping when applied to a substrate as a coating. The fire barrier composition can be used for rendering a flammable substrate fire resistant and for encapsulating lead paint.