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Method of Manufacturing Gypsum Board with Improved Fire Resistance
The present disclosure is directed to a method of manufacturing gypsum board as well as the resulting gypsum board. The method comprises providing a gypsum slurry with a shrinkage-reducing additive comprising a metal salt of an acid, a silica, or a mixture thereof. As a result, the gypsum board includes gypsum and a shrinkage-reducing additive comprising a metal salt of an acid, a silica, or a mixture thereof. The gypsum board exhibits an area shrinkage of less than 20%.
Method of Manufacturing Gypsum Board with Improved Fire Resistance
The present disclosure is directed to a method of manufacturing gypsum board as well as the resulting gypsum board. The method comprises providing a gypsum slurry with a shrinkage-reducing additive comprising a metal salt of an acid, a silica, or a mixture thereof. As a result, the gypsum board includes gypsum and a shrinkage-reducing additive comprising a metal salt of an acid, a silica, or a mixture thereof. The gypsum board exhibits an area shrinkage of less than 20%.
Method of Manufacturing Gypsum Board with Improved Fire Resistance
STAV ELI (author) / LING JIE (author) / BUSCHE BRAD (author) / BAILEY JOSEPH J (author) / IYER R G (author) / EVANS VEDA (author)
2024-09-19
Patent
Electronic Resource
English
Method of Manufacturing Gypsum Board with Improved Fire Resistance
| European Patent Office | 2022
Method of manufacturing gypsum board with improved fire resistance
| European Patent Office | 2024