PCB Preparation Fine Etch Crystals
An effective alternative to Ferric Chloride, this etchant eliminates the staining and mess caused by traditional etchants The mixed solution remains odourless and any splashes or drips can be wiped away with a damp cloth, preventing staining 6-8 minute etching times at 50°C should be expected with fresh solution 4-6 week life expected in tank (can be increased by adding a little more powder to exhausted solution) Supplied in 1kg powder bag sufficient to make 5 litres of etching solution Based on a Sodium Persulphate and Stabiliser formula