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금속 표면 처리 열아연 도금 보조 도금

2016-08-18View Original

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며칠 전에 열아연 도금 부품을 생산하는 아연 도금 공장을 봤는데, 도금 전 처리 공정이 없었습니다. 산세척을 마친 후 폐산 탱크에 담가서 폐산을 살짝 묻힌 다음 바로 아연 용광로로 넣더군요. 이게 대체 어떤 방식인가요?쓰레기 산에 찍어 뭐 하나?도금을 하지 않으면 아연층의 품질을 보장할 수 있나요?

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