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| No. | Â Â Â Â Â Item | Standard Specification | ||||||
| 1 |     Antimony ≥% | 99.99 | 99.995 | 99.999 | 99.9995 | 99.9999 | 99.99999 | |
| 2 |
 Impurity  PPMwt Max Each   |
Ag | 1.0 | 1.0 | 0.05 | 0.05 | 0.01 | 0.002 |
| Cu | 1.0 | 1.0 | 0.05 | 0.05 | 0.01 | 0.002 | ||
| Mg | 5.0 | 2.0 | 0.20 | 0.20 | 0.05 | 0.005 | ||
| Ni | 1.0 | 1.0 | 0.20 | 0.20 | 0.05 | 0.005 | ||
| Zn | 5.0 | 5.0 | 0.50 | 0.50 | 0.05 | 0.020 | ||
| Fe | 5.0 | 5.0 | 0.50 | 0.50 | 0.05 | 0.020 | ||
| Cd | 5.0 | 1.0 | 1.00 | 1.00 | 0.01 | 0.003 | ||
| Pb | 10 | 10 | 0.50 | 0.50 | 0.05 | 0.005 | ||
| Bi | 5.0 | 5.0 | 0.20 | 0.20 | 0.02 | 0.001 | ||
| Si | 5.0 | 5.0 | 1.00 | 1.00 | 0.10 | - | ||
| Mn | 1.0 | 1.0 | 0.05 | 0.50 | 0.01 | 0.001 | ||
| Au | 1.0 | 1.0 | 0.20 | 0.20 | 0.05 | 0.020 | ||
| As | 10 | 5.0 | 1.00 | 0.50 | 0.30 | 0.020 | ||
| S | 10 | 10 | 0.50 | 0.50 | 0.10 | - | ||
| Total | Â 100 | 50 | 10 | 5 | 1 | 0.1 | ||
| 3 |      Size |  Œ5N 6N 7N 3-25mm irregular lump 90%   5N 6N D40XL200mm bar,           D15+/-2mm rod  5N 6N 7N 1-3mm /1-6mm Shot |
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|  4 |      Packing |       1kg or 2kgs is in polyethylene bottle with plastic bag outside | ||||||
WMC is of expertise in developing and specializing in preparation and purification of metals, oxides and compounds to 4N, 5N, 6N and 7N purity which is in fabricated form of lump, rod, granule, powder, sheet, wire and ingot. All the material is qualified by the analysis of ICP-MS, GDMS and other advanced instruments domestically and internationally.
It is always our goal to be a consistent, reliable and an affordable source for global material requirements at any time. Antimony is a hard, brittle crystalline metal with silvery white and lustrous color. High purity antimony of 99.99%, 99.999%, 99.9999%, 99.99999% (4N 5N 6N 7N) is primarily used in the manufacturing of thermoelectric devices, infrared detectors, high purity alloys, electronic cooling elements, III-V compound semiconductors gallium antimonide (GaSb) and indium antimonide (InSb), and as the dopant of single crystal silicon and germanium growth.
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| No. | Â Â Â Â Â Item | Standard Specification | ||||||
| 1 |     Antimony ≥% | 99.99 | 99.995 | 99.999 | 99.9995 | 99.9999 | 99.99999 | |
| 2 |
 Impurity  PPMwt Max Each   |
Ag | 1.0 | 1.0 | 0.05 | 0.05 | 0.01 | 0.002 |
| Cu | 1.0 | 1.0 | 0.05 | 0.05 | 0.01 | 0.002 | ||
| Mg | 5.0 | 2.0 | 0.20 | 0.20 | 0.05 | 0.005 | ||
| Ni | 1.0 | 1.0 | 0.20 | 0.20 | 0.05 | 0.005 | ||
| Zn | 5.0 | 5.0 | 0.50 | 0.50 | 0.05 | 0.020 | ||
| Fe | 5.0 | 5.0 | 0.50 | 0.50 | 0.05 | 0.020 | ||
| Cd | 5.0 | 1.0 | 1.00 | 1.00 | 0.01 | 0.003 | ||
| Pb | 10 | 10 | 0.50 | 0.50 | 0.05 | 0.005 | ||
| Bi | 5.0 | 5.0 | 0.20 | 0.20 | 0.02 | 0.001 | ||
| Si | 5.0 | 5.0 | 1.00 | 1.00 | 0.10 | - | ||
| Mn | 1.0 | 1.0 | 0.05 | 0.50 | 0.01 | 0.001 | ||
| Au | 1.0 | 1.0 | 0.20 | 0.20 | 0.05 | 0.020 | ||
| As | 10 | 5.0 | 1.00 | 0.50 | 0.30 | 0.020 | ||
| S | 10 | 10 | 0.50 | 0.50 | 0.10 | - | ||
| Total | Â 100 | 50 | 10 | 5 | 1 | 0.1 | ||
| 3 |      Size |  Œ5N 6N 7N 3-25mm irregular lump 90%   5N 6N D40XL200mm bar,           D15+/-2mm rod  5N 6N 7N 1-3mm /1-6mm Shot |
||||||
|  4 |      Packing |       1kg or 2kgs is in polyethylene bottle with plastic bag outside | ||||||
WMC is of expertise in developing and specializing in preparation and purification of metals, oxides and compounds to 4N, 5N, 6N and 7N purity which is in fabricated form of lump, rod, granule, powder, sheet, wire and ingot. All the material is qualified by the analysis of ICP-MS, GDMS and other advanced instruments domestically and internationally.
It is always our goal to be a consistent, reliable and an affordable source for global material requirements at any time.
Including Door Handles,pull handles,door lever handles,solid door handles,door hinge,door stopper. All of our door hardwares are manufactured in high grade material to ensure its durability. Having stylish design and various surface finishes are available to be chosen, our products can fit every style of both commercial and residential buildings.
To ensure the quality of our door hardware, we have strict quality control from material processing, polishing, assembly and packaging. Extensive experiences, mature technology and professional service allows us to meet the different needs of customers of different regions. Every product comes complete with mounting hardware. Special requirements and sizes are available. Please just feel free to contact us if you have any question. Our team is on call for 24/7 to provide the worry-free before/after-sale service.buildings.
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Leader Hardware Manufacturer Limited , https://www.leaderhardwarecn.com