| 摘要 |
PROBLEM TO BE SOLVED: To provide a gypsum composition capable of achieving a gypsum hardened body with high hardness without significantly increasing an amount of added water when made into gypsum slurry, and also to provide the gypsum slurry, the gypsum hardened body, a gypsum-based housing material, a gypsum plaster board and a manufacturing method of the gypsum-based housing material.SOLUTION: A gypsum composition including calcined gypsum and starch urea phosphate is provided. Gypsum slurry, a gypsum hardened body, a gypsum-based housing material, a gypsum plaster board and a manufacturing method of the gypsum-based housing material are also provided. |
