410 Ammonium Persulphate is a copper etchant compound used as an alternative to traditional ferric chloride to produce a cleaner copper etchant solution. One kilogram of ammonium persulfate mixed with water will produce four liters of etching solution.

Features & Benefits

• Transparent solution allows visual inspection of the etching process
• Compatible with tin etch resist
• Non-staining solution
• CARB compliant