| 配方类型： |
PAPER |
| 配方说明： |
Pyrographic Paper |
| 配制方法： |
Saturate tissue paper with 1-2% sulfamic acid solution in water. Dry Trace design with 5-10% potassium nitrate solution in water. Dry On putting a match flame to paper at any part of the design, the paper will char progressively, showing the design in black. |
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