Copper Products
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Product obtained from flotation of mineral extracted from the mines, containing copper sulphides, silver, gold, iron and other insoluble elements.
Assays (main elements):
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Toquepala |
Cuajone |
Cananea |
La Caridad |
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Cu |
26-28% |
25-27% |
25-28% |
27-30% |
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Ag |
80-120 g/t |
80-100 g/t |
80-110 g/t |
100-150 g/t |
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Au |
<1 g/t |
<1 g/t |
<=1 g/t |
<1 g/t |
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San Martín |
Sta. Bárbara |
Charcas |
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Cu |
18 - 23% |
27 - 30% |
24-27% |
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Ag |
1,700-2,900 g/t |
1,100-1,400 g/t |
2,000-2,500 g/t |
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Au |
<1 g/t |
2-3 g/t |
<1 g/t |
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The anode and blister copper are final products from our smelters. They are the input for the production of cathodes in the company's electrolytic refineries.
Sizes and Characteristics:
La Caridad Anodes T-shaped plate of approx. 300 kilos, 10 cm. wide, 100 cm. high and 115 cm. long.
Ilo Blister T-shaped plate of approx. 807 kilos, 3’ 7½” wide and 3” high in its front part, 3’ wide and 2’ 4¾” high at the back, and 7½” thickess.
Ilo Anodes T-shaped of approx. 435 kilos, 5 cm. wide, 97.5 cm. high and 95.5cm. long.
San Luis Potosi Blister Pancake-shaped plate of approx. 1100 kilos, 80 cm. wide, 30 cm. high and 80 cm. long.
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La Caridad Anodes |
Ilo Blister/Anodes |
San Luis Potosí Blister |
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Cu |
99.2 - 99.5 % |
99.1 – 99.7 % |
96.0 – 96.5 % |
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Ag |
400- 650 g/t |
280- 350 g/t |
12,000–14,000 g/t |
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Au |
1.5 – 6.0 g/t |
1.5 – 2.0 g/t |
30 – 50 g/t |
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Refined copper cathodes are produced from anodes or from leaching low-grade sulphides in the SX -EW plants. They are used for wire, cable and conductors as well as for other industrial uses such as manufacturing pipes and profiles.
Sizes and Characteristics:
Electrolytic Cathode
Square-shaped plate of approx. 1.0/1.1 m x 1.0 m weighing, 132-185 kg. approx. per piece, with 3.0 – 3.5 cm. thickness.
Electro won Cathode
Square-shaped plate of approx. 1.0 m by side and weight that varies between 25 y 60 kg., approx. 8 mm. thick. Both cathodes qualities can be either corrugated or flat in metal-banded packages of approx. 19 pieces each.
Assays:
Cu : 99.99% |
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Wire-shaped refined copper is obtained from cathodic copper at La Caridad Plant or at the Amarillo-Texas Plant of Asarco under a toll process. It is used for cable manufacturing.
Sizes and Characteristics:
Rolls of 143 cm. of external diameter and 100 cm. of internal diameter, average height of 85 cm. Average weight of 3250 kg.
Product Properties:
Electric Resistivity 0.15176 ohm. Electric Conductivity 101%, Tension 22.24 Kg/mm2, Average Elongation 40%, Average tension to rupture 50 turns. |
Molybdenum Products
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A byproduct of bulk copper concentrated in our molybdenum plant. It contains molybdenum sulphide (MoS2) with low copper, iron and other insoluble elements. It is used in Molybdenum Oxide, Ferric Molybdenum and Pure Molybdenum manufacturing for applications in the steel, lubricant, car parts, etc. industries.
Presentation:
Maxi bags of 2 metric tons or 200 liter metal drums.
Assays (main elements):
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Toquepala |
Cuajone |
La Caridad |
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Mo |
53-55% |
54-55% |
55–57% |
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Zinc Products
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A product obtained from the company's underground polymetallic mines, which process the ore in up to three circuits: zinc, lead and copper, with important precious metal contents. The zinc concentrate is the input of the San Luis Potosi Zinc refinery, as well as third party refineries.
Assays (main elements):
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Charcas |
Sta. Bárbara |
San Martín |
Taxco |
Sta. Eulalia |
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Zn |
56-58% |
51-54.5% |
49-53% |
48-52% |
50-53% |
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Ag |
110-185 g/t |
120-220 g/t |
90-160 g/t |
180-350 g/t |
115-170 g/t |
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Cd |
0.65-0.70% |
0.45-0.55% |
0.45-0.60% |
0.49-0.52% |
0.30-0.35% | |
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A product obtained from zinc concentrate through a roasting process, electrolysis and casting in the refinery. It is mainly used by the galvanized steel, copper, alloy, chemical and medical industries.
Sizes and Characteristics:
Four different presentations: Ingots of 25 kg., minijumbos of 400 kg., strip jumbos of 1089 kg. and jumbo blocks of 1089 kg.
Specifications of different produced qualities according to ASTM B6-00 (figures in %) :
La Caridad Anodes, Ilo Blister/Anodes, San Luis Potosí Blister
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Pb |
Fe Max |
Cd Max |
Al Max |
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Zinc SHG |
0.003 |
0.003 |
0.003 |
0.002 |
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Zinc HG |
0.03 |
0.02 |
0.01 |
0.01 |
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Zinc PW |
0.5-1.4 |
0.05 |
0.20 |
0.01 |
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Zinc CGG |
0.005-0.1* |
0.01 |
0.01 |
0.22-0.48* |
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Cu Max |
Sn Max |
Otros Max |
Zn Min |
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Zinc SHG |
0.002 |
0.001 |
0.010 |
99.990 |
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Zinc HG |
--- |
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0.10 |
--.90 |
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Zinc PW |
0.20 |
--- |
2.0 |
98.0 |
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Zinc CGG |
0.02 |
--- |
0.01 |
Balance |
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* According to client specifications. |
Silver and Gold Products
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Silver and Gold are produced in precious metal plants from anodic mud recovered in our electrolytic plants. The silver and gold are used in photography, jewelry, electronics, coin minting, etc.
Quality:
Ag: ≥ 99.99% (ISO 9001:2000)
Au: ≥ 99.98% (ISO 9001:2000)
Presentation / Packing:
Silver: grit in wooden boxes containing 25 kg. and 32 kg. ingots on wooden racks with approx. 380 kg.
Gold: In wooden boxes containing 1.2 to 1.6 kg bars or in 6 or 12.5 kg. bars |
Other Products
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Produced in the Arsenic Plant from fine powders and calcination material generated by the San Luis Potosi copper smelter. Its main uses are to preserve wood and as a clarifier in the glass industry.
Quality:
As: ≥ 99.00 %
Presentation / Packing:
In steel drums containing 250 kg. each. |
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A product obtained from the company's underground polymetallic mines, which process the ore in up to three circuits: zinc, lead and copper, with significant precious metal contents.
Specifically, the lead concentrate is the input for third-party lead smelters. Lead is used mainly in the production of accumulators.
Assays (Main elements):
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Charcas |
Sta. Bárbara |
Taxco |
Sta. Eulalia |
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Pb |
30-46% |
50-57% |
46-56% |
48-50% |
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Ag |
3.2-4.8 kg/t |
3.6-5.2 kg/t |
3.4-6.0 kg/t |
1.8-2.2 kg/y |
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Au |
0.3-1.0 g/t |
2.8-6.4 g/t |
1.5-4.0 g/t |
0.8-1.0 g/t |
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Obtained from the calcium carbonate in the mine by means of bitting, crashing and calcination. Its main use is in mining as reagent to control Ph in the production of copper concentrates.
Presentation / Packing:
Bulk |
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Produced in the San Luis de Potosi zinc electrolytic refinery as byproduct obtained in the metallic zinc production. Its main use is in the manufacturing of rechargeable batteries
Quality:
Cd: ≥ 99.95 %
Presentation / Packing:
In wooden boxes containing 40 kg. of spheres or sticks.
In ingots of approx. 21.5 kg. each on wooden racks stacked to reach approx. 1.0 MT.
In 500 kg. Mini-Jumbo. |
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Commercial selenium is produced at the precious metal plants of Ilo and La Caridad. Nickel sulfate is produced at the Ilo electrolytic refinery.
Quality:
Se: ≥ 99.5% (ISO 9001:2000)
Ni: from 14 to 16.6% (ISO 9001:2000)
Presentation / Packing:
Selenium in drums of approx. 270 kg.
Nickel Sulphate in 1MT Mega-bags.
Other Byproducts Produced at small scale :
Palladium Sponge
Platinum Sponge
Ammonium Sulphate
Coal Tar
Light Oils |
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Caustic liquid made up of sulphur, hydrogen and oxygen. Oily, colorless and odorless. It is obtained from sulfur gases produced in the fusion and roasting of copper and zinc concentrates in the acid plants of our La Caridad and Ilo copper smelters, as well as the zinc electrolytic refinery.
This product is used in copper leaching, chemistry, aluminum sulphide for treating waters, food production, fertilizer ,etc.
Characteristics:
Crystalline as water and translucid.
Typical Analysis:
H2SO4 Min. 98.5%
Fe Max. 30 ppm
Mn Max. 0.2 ppm
As Max. 1.0 ppm
Cu Max. 1.0 ppm
SO2 Max. 50 ppm
Hg Max. 0.5 ppm
Color Max. 40 HU |
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Product obtained from the Pasta de Conchos mine as all-in-one coal. It is used as fuel in the smelter plants once washed and subjected to a coking process.
All-in-one coal is obtained in the areas known as El Tajo and Zona Poniente of the mine. Production capacity is increasing from approx. 400,000 MT per year to 1’000,000 MT per year, with an additional potential for expanding coal production even further in the future.
Presentation:
Bulk
Typical Quality:
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Mined Coal |
Washed Fine Coal |
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Fix Coal |
43-49% |
58–60% |
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Ash |
30-34% |
13–14% |
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Sulphur |
0.7-1.2% |
0.8–1.0% | |
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The product is obtained from the coking of washed fine coal. It is used as fuel in the smelter plants.
Presentation:
Bulk
Typical Quality:
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Nut Coke |
Breeze Coke |
Metallurgic Coke |
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Fix Coal |
79-81% |
71-75% |
81-83% |
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Ash |
17-19% |
21-25% |
16-17% |
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Sulphur |
0.8-0.9% |
0.8-1.0% |
0.8-0.9% | | |
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