valve disc-Surface treatment plating

n Galvanized: beautiful, anti – embroidery. nnnn Nickel plating: wear resistant and corrosion resistant. nnnn Chrome plating: improve the surface hardness, beautiful and prevent rust. nnnn Commonly used: The valve disc is electroplated nickel: nnnn 1, nickel in the air to form passivation film, good stability, resistance to atmospheric, alkali and some acid corrosion. nnnn 2, electroplated… Continue reading valve disc-Surface treatment plating