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THICKNESS OF ELECTRODEPOSITS (Inches)

Thickness in Inches .0001 .0002 .0004 .0006 .0008 .001

At 10 Amperes per Square Foot
Cadmium :06 :12 :24 :35 :46.7 :58
Copper (acid) :10 1/2 :21 1/2 :43 1/2 1:05 1/2 1:25 1:49
Copper (cyanide) :05 1/3 :10 1/2 :21 :31 :42 :53
Tin (Stannate) :12 :23 1/2 :47 1:10 1:34 2:00
Zinc :08 :16 1/2 :33 :50 1:06 1:28
Nickel :12 :24 :48 1:12 1:36 2:00

 

Thickness in Inches .0001 .0002 .0004 .0006 .0008 .001

At 20 Amperes per Square Foot
Cadmium :03 :06 :12 :17 1/2 :23 1/8 :29
Copper (acid) :05 1/3 :10 3/4 :22 :32 1/2 :43 :54 1/2
Copper (cyanide) :02 1/2 :05 1/3 :10 1/2 :17 :23 :27
Tin (Stannate) :06 :12 :23 1/2 :35 1/4 :47 :59
Zinc :04 :08 1/4 :16 1/2 :25 :33 :44
Nickel :06 2/3 :12 :24 :36 :48 :59

 

Thickness in Inches .0001 .0002 .0004 .0006 .0008 .001

At 30 Amperes per Square Foot
Cadmium :02 :04 :08 :12 :16 :19
Copper (acid) :03 1/2 :07 1/3 :14 1/2 :22 :28 :36
Copper (cyanide) :01 2/3 :03 1/2 :07 1/2 :10 1/2 :14 :18
Tin (Stannate) :04 :08 :16 :23 1/2 :31 1/4 :39
Zinc :02 3/4 :05 1/3 :10 2/3 :16 1/2 :22 :28
Nickel :04 :08 :16 :24 :32 :40

 

Thickness in Inches .0001 .0002 .0004 .0006 .0008 .001

At 40 Amperes per Square Foot
Cadmium :01 1/4 :03 :06 :08 3/4 :12 :15
Copper (acid) :02 2/3 :05 1/2 :11 2/3 :16 1/3 :22 :27
Copper (cyanide) :01 1/3 :02 1/2 :05 1/3 :08 :10 1/2 :13
Tin (Stannate) :03 :06 :12 :18 :23 1/2 :29 1/4
Zinc :02 :04 :08 1/4 :12 1/2 :16 1/2 :22
Nickel :03 :06 :12 :18 :24 :29

 

 

Add 10% to time figures for commercial use;above are obtained under ideal Conditions Copper (acid) based on 97% cathode efficiency
Figures denote time in hours and minutes to deposit required thickness at given current densities Copper (cyanide) based on 100% cathode efficiency
Cadmium based on 100% cathode efficiency Tin (stannate) based on 80% cathode efficiency
Nickel based on 95% cathode efficiency

 

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