化学配方数据库
| 配方类型： | METALS AND THEIR TREATMENT |
| 配方说明： | Casting-Mold For Aluminum |
| 配方组成： | Sand/135 Plaster/25 Water/65 Sawdust/5 |
| 配制方法： | This sets in 24 hours. Dry at 80 to 90C. for 2 hours and at 300C. for 1 hour. Pour in the metal slowly at the lowest possible temperature. |
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