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카테고리 : 크로메이트제 | 글입력 : 관리자 | 최종수정일 : 2022.12.18
Chromiting / chromium(VI)-free Passivating Basecoat for Deltacoll on Zinc and Zinc Alloys Chromating zinc plated surfaces has been a commercial corrosion protection process for several decades (1st patent application 1936 by E.J. Wilhelm). The additional passivation of electroplated zinc and/or zinc ...