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AL-103

Selective aluminum etching solution

This product can be used for surface treatment of aluminum and aluminum alloys, which can remove the oxide layer generated on the surface and provide a fresh aluminum metal surface to facilitate subsequent plating and adhesion. The special addition of copper protection agent can inhibit the rate of copper being etched, increase the etching difference ratio between aluminum and copper, and achieve the effect of aluminum etching without damaging copper. Aluminum etching solution 1399005