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topic 9308

Iridescent tin plate


Our company produces hand made tin ornaments and cookie cutters. We have been asked to replicate the old-fashioned tin icicle ornaments that have an iridescent color on each side.

What needs to be applied to the tin in order to achieve these colors . . .or can this type tin be purchased?

Charles A. Reynolds
- Millersburg, Ohio, USA


Several companies make pearlescent pigments that use the principle of thin-film reflectance. It is possible to reproduce that on a metal substrate, but I think it would be vastly cheaper to use the existing pigments themselves in a clear lacquer or urethane base. You can get different effects by using different particle sizes and concentrations. The companies are Englehard and EM Industries. Englehard also makes iridescent plastic films, which can be converted to glitter and used like the mica's (try Meadowbrook or Glitterex) and it may be possible to simply adhere their film to your products.

Good luck,

Robert Zonis
- Bohemia, New York


Moire metalique for tin:

1.heat your objects to 25o C

2.immerse it to special pickle:

2 parts hydrochloric acid
1 part nitric acid
3 parts water
1/4 part potassium bichromate

3.between crystals you must obtain black colour

4.rinse well

5.immerse to hydrochloric acid

6.without rinsing immerse in: 10 parts sodium thiosulphate/120 parts water solution- after that rinse it and lacquer it!

Goran Budija
- Zagreb, Croatia

March 3, 2012

I am looking for the verdigris finish that is black undertone with a dark to medium light green shadow on cement yard statues.. what paint, solutions or formulas do I use. My ex mother-in law once did this but of course we are not on speaking terms,hahahahaha. The statues have a very tarnished look when finished. She use to call it "antiquing". Thanks for any help

Ginny P.
- Florida

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