Strippable gun color nickel, nickel iron alloy, electroless nickel and other coatings, it is fast and efficient, make sure the possibility of zinc alloy nickel stripping. Its speed of stripping on copper is faster 30~50% than the common stripping nickel powder, and more durable.
1.Operating conditions:
Zinc alloy (alkaline copper plating) or copper alloy workpiece stripping nickel layer for example: D99 universal stripping powder 70g/l, sulfuric acid 70ml/l temperature of 80 ℃(insulation titanium pencil), more than 2 minutes, the surface from black to dark brown, after cleaning, then add the following removal of brown film solution. 30 g / L of sodium cyanide, sodium 30 g / L, at room temperature, several seconds is ok.
2.Product catalog: D99 universal stripping powder