The only thing you will have to buy special is either clearblue chromate solution or yellow chromate solution. I started out wanting to restore the lines for my cis but kept going with a lot of other parts also.
Black Chromate Concentrate 8 Oz Makes 1 Gal Chromates
Diy yellow chromate solution. Liquid concentrate is used at 05 to 3 by volume in water at 65 to 90f. Plating kits electroplating kits aluminum anodizing kits gas tank sealer metal polishing buffing supplies. The yellow chromate is a yellowbronze iridescent finish on plated cadmium and zinc. The finish has outstanding resistance to salt spray greatly surpasses the normal 96 hour salt spray resistance specified for yellow chromates on zinc. Your ratio is correct but here is recipe. You should then have a predip tank before chromating consisting of 05 nitric acid.
It is fairly easy process and they say it is not harmful there are plenty of diy instructions online this is the one i followed. Hossein and ahmet belgic england. The yellow chromate is a yellowbronze iridescent finish on plated cadmium and zinc. The finish has outstanding resistance to salt spray greatly surpasses the normal 96 hour salt spray resistance specified for yellow chromates on zinc. The rinses after after plating should be clean and have a near neutral ph. I have been researching on how a yellow chromate solution is made.
Please share your idea about making a more efficient yellow chromate mixture as well as its operation parameters including temperature ph and thanks. Yes mix up the chromate solution according to the directions 1 2 oz. Do it yourself with plating kits from caswell inc. Selling chrome nickel cadmium brass gold silver and metal polishing supplies. 1 liter 5 white vinegar 100 grams epsom. Liquid concentrate is used at 05 to 3 by volume in water at 65 to 90f.
Per gallon of water and dip the part for approximately 30 seconds dip it into some clean water to rinse it off and stop it from darkening it will look light but as you dry it with a heat gun it will darken a little and it will have an iridescent look. Alkaline non cyanide zinc will plate bright with good yellow chromate adhesion.
Gallery of Diy Yellow Chromate Solution
