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EX-21 Electrolyte
electrolyte ex-21


 
EX-21 has different effects on the metal surface.
The following surfaces turn white or bright grey when etched with EX-21 (use AC Voltages):
black oxide, blue oxide,

The following surfaces turn black when etched with EX-21 (Use AC Voltages):
carbide tools, graphite (24V DC),

The following alloys can be deep etched with EX-21 (use 24 Volt DC):
copper, brass, bronze
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Description
 
EX-21 has different effects on the metal surface.
The following surfaces turn white or bright grey when etched with EX-21 (use AC Voltages):
black oxide, blue oxide

The following surfaces turn black when etched with EX-21 (Use AC Voltages):
carbide tools, graphite (24V DC),

The following alloys can be deep etched with EX-21 (use 24 Volt DC):
copper, brass, bronze