镀硬铬的工艺规范是什么?
日期:2012-05-08 09:51
镀硬铬的工艺规范见表。镀硬铬的工艺规范成分和操作条件1#2#3#4#5#6#铬酐/(g/L)硫酸/(g/L)氟硅酸/(g/L)氟硅酸钾/(g/L)硫酸锶/(g/L)硼酸/(g/L)氧化镁/(g/L)氢氧化钠/(g/L)柠檬酸钠/(g/L)氟化钠/(g/L)糖/(g/L)150~1801.5~1.8230~2702.3~2.72501.254~6-250~800206~8180~2501.8~2.58~104~5950~4001.5~2523~52~40.5~2温度/℃55~6055~6050~6055~6255~6020~45耐磨铬电流密度 /(A/dm2)30~4550~6050~8040~8040~8030~60温度/℃74~7970~7270~72乳白铬电流密度/(A/dm2)25~3025~3025~30
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