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Glass Coating

We have a glass ceramic that we want to apply a silver coating to. The composition of the glass is 53% SiO2, 38% AL2O3 and 3.6% CaO. There are trace of K2O, Fe2O3 and TiO2. Any suggestions as to what one should use for etching, initiating and coating this material.

Dave Mepham
- Australia

If your coating is silver and you want it to resemble plating, look at vacuum coating. If it's a medical coating that merely contains silver as a biocide then you can use an adhesion promoter and get excellent adhesion of organic coatings to glass.

Jeff Watson
- Pearland, Texas

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