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PROTECOR is an innovative nanocomposite non-toxic passivation for silver
and gold alloys with low caratage which gives the objects treated considerable
resistance to oxidisation without altering their original appearance. Unlike other
chemical antitarnish products, PROTECOR can also be used electrolytically
by adding conductive salts and special electrodes. Electrolytic application of
PROTECOR 200 exponentially increases the level of protection.
Concentrated nanocomposite antitarnish solution