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塑料制品化学镀铜后的加厚说明

Date: 2019-11-18 10:03 Views: 2548 Source: Internet

       塑料制品化学镀铜后的制件个别都用电镀铜加厚镀层,除强碱性氰化物镀铜工艺分歧用外,其他像酸性镀铜和焦磷酸盐镀铜等工艺都可采用。值得正视的是化学镀铜层不应被玷污,否则要用弱碱液除油,其次是镀铜前操作5%H2SO4弱酸浸蚀以活化概况,非论塑料制品用何种镀液均应带电下槽,以防止将薄铜层蚀坏,并应以较小的电流密度(约0.3A/dm2)初步电镀,以减小“烧掉”薄铜层的危险性,待电镀58分钟后,再将电流密度增至规定的规模。
ABS 日本东丽 900通用注塑级


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