280 is a unique cyanide-free zinc dipping process that creates a zinc layer that does not oxidize easily after removing oxidation from the aluminum surface. This zinc layer is suitable for post-processing such as copper plating, nickel plating, and chemical nickel plating.
The 280 process is more hydrophilic, easier to clean, and more uniform and consistent than traditional processes, which improves the bonding of the coating to the substrate.
280 working solution has good hydrophilicity and permeability, it can easily penetrate blind holes, cracks, threaded screw holes, and some other surfaces that are difficult to be treated by traditional processes, and it can form uniform and consistent zinc layers on large and flat surfaces without streaking and other phenomena.
