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.
- Compatible with tin etch resist
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).
||1 kg (2.2 lbs.)
||25 kg (55 lbs.)