| abstract |
Heat insulation material from waste paper containing a flame retardant composition, characterized in that the flame retardant composition At least two substances selected from the group consisting of aluminum hydroxide, ammonium sulfate, sodium sulfate, monoammonium phosphate, diammonium phosphate, triammonium phosphate, ammonium polyphosphate, aluminum sulfate, trisodium phosphate, calcium hydroxide and magnesium hydroxide and • contains at least one biocide from the group of silver salts. |