| 摘要 |
PROBLEM TO BE SOLVED: To provide an aluminum phosphate that is suitable as a binder for refractory products and inorganic materials, and that has a low hygroscopicity during storage and has the characteristics of hygroscopicity resistance and water resistance during low-temperature drying.SOLUTION: Provided is an aluminum phosphate compound containing alkali metal components and boron components, and in which it is preferred that the composition satisfies the range for MO/PO(mole ratio)=0.01 to 0.15 (M=alkali metal) as well as the composition satisfies the range for BO/PO(mole ratio)=0.01 to 0.25. |
