Zinc Electroplated And Clear Chromate

He said i have to do nickel plating first and then chrome plating.

Zinc electroplated and clear chromate.

Zinc chromate is usually an organic primer paint that can be spray or brush applied over steel galvanizing or even zinc plating. When you re researching zinc electroplating you will eventually encounter the concept of clear zinc plating. This process is done by putting zinc or a zinc plated metal in a solution of sodium dichromate and sulfuric acid for a few seconds. There is some confusion about what that term actually means however.

My american customer wants zinc plated and clear chromate rinse on hr p o steel. Zinc plated zinc chromate dichromate thanks very much. We make custom metal parts. Zinc plated and clear chromate rinse 2003.

Clear zinc plating essentially does mean colorless or transparent and is essentially a color choice which shows the. Zinc plating is an inorganic metal coating that is deposited on a steel using an external electric current. A process known as the cronak process is used to create zinc chromate for use in industry. Zinc trivalent dichromate plating provides a similar finish to the hexavalent finish with the added benefit of rohs compliance.

Chromate conversion coating or alodine coating is a type of conversion coating used to passivate steel aluminium zinc cadmium copper silver titanium magnesium and tin alloys. It is similar to galvanizing. But my supplier said i cannot have zinc plating and then chrome plating. Zinc chromate can also be synthesized by using neutral potassium chromate k 2 cro 4 and zinc sulfate znso 4 which forms a precipitate.