| 摘要 |
A manufacturing method for hardening material by a silicic acid soda and the slack of a furnace is characterized by mixing the powder slack from a furnace of 60-40 weight, a silicic acid soda of 40-60 weight and hardening stimulative material of calcium oxide of 10-1 weight at room temperature and room pressure. Thereafter it is dried at a temperature less than 200≦̸C. This invention utilizes a high crystallizing tendency and the characteristics of high reaction in the slack of a furnace and the heatresistant, viscosity, hydrous, and transparent nature of the silicic acid soda.
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