Hi.
Does anyone know if it is possible to discolor / bleach colloidally colored glass (colored by secondary heat treatment that induces precipitation of metal nano-particles)? How can this be done?
Thanks Lino
I think if you read your message, you will have your answer - if the color comes from internal metal particles, there is no darn way of bleach processes getting at the stuff. I assume you don't want to make the glass molten and redissolve the particles.
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