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How to get Aurora Borealis effect on crystal beads?

July 12, 2008

DEAR SIR,
I HAVE A VACUUM VAPOUR COATING MACHINE FOR CRYSTAL BEADS. I WOULD LIKE TO KNOW WHAT ELEMENT SHOULD I USE TO ACHIEVE AURORE BOREALIS (AB) EFFECT ON THE SURFACE OF THE CRYSTAL BEADS. ALSO, I NEED THE EFFECT TO BE MORE ON THE REDDISH TONE.

IF ANYONE CAN PLEASE ANSWER THIS QUESTION, IT WILL BE VERY HELPFUL.
Thank you.

MOIZ PATANWALA
product resarch - UAE


July 15, 2008

Hi, Moiz. There is a great article at this link on ebay that explains how iridescence and the colorful sheen on carnival glass works. I think you will find this very helpful. For best iridescence you need a coating that varies a bit in thickness; to make it favor red, you need a specific thickness that favors red. Good luck.

Regards,

pic of Ted Mooney Teds signature
Ted Mooney, P.E. RET
finishing.com
Brick, New Jersey
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