Metals: Copper Nuggets
Palm supplies high purity copper anodes in different shapes and sizes for electrolytic copper plating. Nuggets and bar anodes are produced by a continuous casting process, while balls are produced by forging. After fabrication and sizing, the anodes are cleaned and washed so they are ready to use when they arrive.
Palm provides two grades of copper to meet the needs of most plating. The oxygen content of oxygen free anodes (CDA 102) is controlled to less than 20 ppm to provide uniform dissolution in cyanide, pyrophosphate and fluoborate baths. Phosphorized copper anodes (CDA 812) containing 0.04 to 0.06 percent phosphorus are required for acid copper solutions.
Nuggets are the most common form of copper anode. They are typically 7/8 inch in diameter by one inch long, but other sizes are available. Both oxygen-free and phosphorized copper nuggets are available.
Forms: Nuggets are usually 1" in diameter and 1" in length.
Typical Chemical Analysis:
Copper: Phosphorized- 99.95% | Oxygen Free- 99.5%
Phosphorous: Phosphorized- 0.05%
Oxygen: Oxygen Free- 5 ppm
Iron: Phosphorized- 8 ppm | Oxygen Free- 10 ppm
Sulfur: Phosphorized- 11 ppm | Oxygen Free- 10 ppm
Lead: Phosphorized- 6 ppm | Oxygen Free- 1 ppm
Antimony: Phosphorized- 3 ppm | Oxygen Free- 0.1 ppm
Nickel: Phosphorized- 1 ppm | Oxygen Free- 1 ppm
Arsenic: Phosphorized- 1 ppm | Oxygen Free- 0.1 ppm
Tin: Phosphorized- 1 ppm | Oxygen Free- 1 ppm
Zinc: Phosphorized- 7 ppm | Oxygen Free-0.1 ppm
Nuggets are packaged in 220 pound (90.7 kg) net weight plastic pails.
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