Copper Etchant 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 vertical container. Hazardous Materials. Only available in USA & Canada. Must ship "Ground".
Directions Dilute crystals slowly into 4 liters of water using a glass, plastic or stainless steel container. Stir until completely dissolved. To make less than 4 litres, dissolve 250 grams per liter of water.
Specifications Parameter Specifications Assay 99% min Active oxygen 6.65% min. Iron ppm 5.000ppm max. Moisture 0.06% max. Ammonium persulfate 0.10% max. Sodium sulfate 0.50% min. - 1.00% max. Sulfuric acid 0.10% max.
This product has been discontinued. If you are looking for this product give us a call at 651-600-3838 and we can find an alternative for you!
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