Copper Etchant Ammonium Persulfate 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 ventilated container. One kilogram of crystals will produce four liters of etching solution when mixed with water. Not compatible for use with Etch Resist Pen (Cat. No. 416-RP).  

  • Compatible with tin etch resist


Catalog Number Sizes Available Description
410-1KG 1 kg (2.2 lbs.) Crystals

Safety Data Sheet
Technical Data Sheet