Zinc Chromate Plating Diy

So far i m very pleased with my first attempts at diy zinc plating.

Zinc chromate plating diy.

I started out wanting to restore the lines for my cis but kept going with a lot of other parts also. It also remains in use for aircraft. The zinc the chromate react to form the new colors. I need to know a make up formula for blue clear zinc passivate solution.

See the following links for diy cheap zinc plating. Zinc chromate plating today. Zinc trivalent chromate plating. Zinc trivalent dichromate plating provides a similar finish to the hexavalent finish with the added benefit of rohs compliance.

5 grams sodium dichromate and 25 mls nitric acid per litre 25 seconds immersion time. Low cost solution to metal part restoration. Just came across your post about diy plating as i m considering diy or getting it done. Trivalent dichromate conversion coating is a type of coating used to passivate zinc cadmium copper silver magnesium and tin alloys.

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. Today zinc chromate yellow and zinc chromate green are still very much a part of several industrial applications. I read several on line tutorials and thought this gentleman did a particularly fine job. To improve those older zinc pot metal castings plate with a fresh zinc plate before chromating.

Zinc plating using vinegar and a marine sacrificial anode. I also bought yelllow zinc chromate which turns the zinc yellow and offers additional protection. But this is from a pretty old source and i wanted to check on the current formulae. Formula for blue chromate passivation for zinc plating 1999.

Blue chromate solution pic is of the blue chromate the yellow looks same but errr. U will find zinc plating is relatively cheap. Diy zinc plating and yellow chromate 06 09 2018 06 49 pm 1.