MG Chemicals 4101 Sodium Persulphate Copper Etchant, 1 Kg Solid Crystals Bottle
Sodium Persulfate is a good replacement for Ammonium Persulfate. Like Ammonium Persulfate crystals, they 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. ROHS Compliant.