Zinc Chromate Plating Diy

Zinc plating and chromate conversion process see photos at end of text the following process is how to zinc plate steel and then apply a zinc dichromate conversation process to change the appearance of the zinc plating over to the yellow gold iridescent look.

Zinc chromate plating diy.

5 grams sodium dichromate and 25 mls nitric acid per litre 25 seconds immersion time. Blue chromate solution pic is of the blue chromate the yellow looks same but errr. See the following links for diy cheap zinc plating. Zinc trivalent chromate plating.

The automotive industry which gave birth to the process continues to be a main employer of zinc chromate yellow. Formula for blue chromate passivation for zinc plating 1999. The zinc the chromate react to form the new colors. I need to know a make up formula for blue clear zinc passivate solution.

I haven t tried it because well. It also remains in use for aircraft. Diy zinc plating and yellow chromate 06 09 2018 06 49 pm 1. U will find zinc plating is relatively cheap.

Trivalent dichromate conversion coating is a type of coating used to passivate zinc cadmium copper silver magnesium and tin alloys. I read several on line tutorials and thought this gentleman did a particularly fine job. Just came across your post about diy plating as i m considering diy or getting it done. Zinc plating using vinegar and a marine sacrificial anode.

Zinc trivalent dichromate plating provides a similar finish to the hexavalent finish with the added benefit of rohs compliance. But this is from a pretty old source and i wanted to check on the current formulae. I started out wanting to restore the lines for my cis but kept going with a lot of other parts also. Zinc chromate plating today.

So far i m very pleased with my first attempts at diy zinc plating. I also bought yelllow zinc chromate which turns the zinc yellow and offers additional protection. Low cost solution to metal part restoration.