Table 2 Consumption of copper and chrome during plating.
Engraving types | Circumference (mm) | Length (mm) | Total thickness, (µm) | Density (g/cm3) | Copper consumption (kg) |
|---|---|---|---|---|---|
Copper-plating | |||||
EME | 520 | 1100 | 170 ± 5 | 8.96 | 0.87 ± 0.03 |
LE | 520 | 1100 | 95 ± 2 | 8.96 | 0.49 ± 0.02 |
Copper saved per cylinder | 0.38 ± .03 | ||||
Chrome-plating | |||||
EME | 520 | 1100 | 11 ± 0.5 | 7.19 | 0.045 |
LE | 520 | 1100 | 5 ± 0.2 | 7.19 | 0.020 |
Chrome saved per cylinder | 0.024 | ||||
