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ru0629
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bright nickel (2 layer) is better than semibright nickel(1 layer) . But increasing levelling , you cannot consider bright nickel layer . Too thick of bright nickel ,you will cause tarnish ,crack,peeling problem . Considering Temp , tank design,agitation and current density is better . |
8Â¥2008-12-28 08:13:33
shaoyong
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2Â¥2008-12-19 19:57:53
shaoyong
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3Â¥2008-12-21 18:39:16
qinyi2145
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