Non-cyanide copper plating solution
A cyanide-free copper pre-plating and solution technology, applied in the field of cyanide-free copper pre-plating solution and copper pre-plating, can solve the problems of unpublished formula and composition, damage to the ecological environment, cumbersome operation and maintenance, etc., and achieve reliable coating bonding and solution Stable performance and the effect of eliminating serious pollution
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[0024] When using the above-mentioned hydroxyorganic phosphonic acid, it must be treated with hydrogen peroxide at 1~2ml / 100g first, and then neutralized with 30%~40% chemically pure potassium hydroxide to a pH of 10, and then added in order by volume concentration. Each component constitutes the non-cyanide pre-copper plating solution of the present invention.
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