The 410-1KG MG Ammonium Persulphate crystals are used as an alternative to the traditional ferric chloride to produce a cleaner copper etchant solution.
Mixed product must be stored in a vertical container.
One kilogram of crystals will produce four liters of etching solution when mixed with water.
Not compatible for use with Cat. # 416-RP Etch Resist Pen.
|410-1KG||Ammonium Persulphate 1KG|