化学配方数据库
| 配方类型： | METALS |
| 配方说明： | Wash for Molds |
| 配方组成： | Water/2 Clay/1 Water Glass/2 |
| 配制方法： | This formula has been used both for washing molds and as a metal stop-off to prevent the wetting of steel with tin during tinning. |
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