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The Stop-Off Pen is an ideal addition to the covering varnish. The pen can be used for acidic gold baths and rhodium baths. The drying time at room temperature is about 5 minutes. After electroplating the ink can be removed with industrial spirits. The masking ink is not compatible with alkaline baths and elektrolytes.

Therefore do not use in combination with silver and cynide-based gold plating baths. After masking, ultrasonic cleaning and electrolytic degreasing can no longer be carried out.

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