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公开(公告)号：US20230357946A1
公开(公告)日：2023-11-09
申请号：US18018570
申请日：2021-06-25
Applicant: CANPACK S.A.
Inventor： Dawid WODKA
CPC classification number: C25D11/08 , C25D11/246
Abstract: A method of manufacturing an interference coating on the surface of an aluminum alloy or aluminum alloys product comprising anodizing and electrochemical dyeing with use of alternating current consisting in that, the electrolyte used during electrochemical dyeing comprises copper (II) sulfate (IV) in an amount from 1 to 100 g/L, boric acid in the amount of 1 to 40 g/L and tartaric acid in the amount of 0.1 to 20 g/L.
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