化学配方数据库
| 配方类型： | METALS AND THEIR TREATMENT |
| 配方说明： | Porous Gypsum Mold (Japanese Patent 706 (1956)) |
| 配方组成： | Borax/0.9 Aluminum Powder/0.4 Calcined Gypsum/70.0 Water/80.0 Calcium Carbide/- Caustic Soda/0.6 Quartzite (100 mesh)/28.0 Talc Powdered/- |
| 配制方法： | Mold without removing hydrogen; heat at 80 to 100C. for one hour and at 220C. for one hour. |
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