化学配方数据库
| 配方类型： | METALS AND THEIR TREATMENT |
| 配方说明： | Matte Etching of Aluminum |
| 配方组成： | Temperature/150-170F immersion time/5-10 minutes Sodium/5% Sodium Hydroxide |
| 配制方法： | The black deposit remaining on the metal after the etching treatment may be removed by a brief immersion in dilute nitric acid solution. Must be followed by through rinsing. |
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