| 配方类型： |
METALS |
| 配方说明： |
Vat Etching of Aluminum Lithographic Plates |
| 配制方法： |
Immerse plates in cold 6% solution of caustic potash for 2 minutes.
Rinse in cold water. Immerse in 1.5% solution of sodium carbonate at 188'F for 12 minutes. Rinse in cold water. Dip into mixture of 1 part glacial acetic acid and 35 parts of water for a few seconds. Rinnse in cold water, while brushing off the sludge, and dry. |
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