| abstract |
The invention relates to an aqueous fire retardant solution, a method of making said solution, and a method of using said solution as a coating for cellulosic materials and cellulosic containing materials. The fire retarding solution consists essentially of: ammonium sulfate 3-10% by weight, boric acid 1-5% by weight, borax 0.3-1% by weight, hydrogen peroxide 1-5% by weight, and optionally a surfactant and/or an alkyl phthalate ester. |