| Application: | Industrial |
|---|---|
| Standard: | ISO |
| Purity: | >99.9% |
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| This standard specifies the requirements for high-lead antimony ingots, test methods, inspection rules and signs, packaging, transportation, storage and quality certificates, contracts (or purchase orders) content. This standard applies to brittle sulfide lead-antimony ore or high-lead antimony ingots produced from lead-antimony ore. |
| The quality requirements for high-lead antimony ingot products are as follows: |
| 1. Product Classification |
| High-lead antimony ingots are divided into three grades according to their chemical composition: SbPb90-6, SbPb90-7, and SbPb88-8. |
| 2. Chemical composition |
| The chemical composition of high-lead antimony ingots should meet the requirements of Table 1. |
| o | |||||||||
| Grade | chemical composition(%) | ||||||||
| Purity(min,%) | Impurity(max,%) | ||||||||
| Sb | Pb | As | Cu | S | Bi | Fe | Zn | Others | |
| SbPb90-6 | 90 | 6 | 0.8 | 0.08 | 0.07 | 0.1 | 0.05 | 0.01 | 0.1 |
| SbPb90-7 | 90 | 7 | 1.2 | 0.09 | 0.08 | 0.15 | 0.06 | 0.01 | 0.1 |
| SbPb88-8 | 88 | 8 | 3 | 0.1 | 0.08 | 0.18 | 0.06 | 0.01 | 0.1 |
| 3. Physical Specifications |
| The shape of the high-lead antimony ingot is rectangular trapezoid or square trapezoid, the thickness does not exceed 150mm, and the weight of the ingot is 10-20kg. |
| 4. Appearance quality: The surface of the high-lead antimony ingot should be clean, free of obvious burrs, depressions, bubbles and foreign debris. |
| 5. Others: If the buyer has special requirements for high-lead antimony ingots, it can be negotiated between the supplier and the buyer. |
| Packing: | 50KGs Iron Drum or 1000KGs Jumb Bag or packing as per request. |
| Storare: | Storing in sealed, dry and cool condition, not exposing to air for long time, avoiding moisture. |
| Characteristics: | Pink powder, slightly soluble in inorganic acid, insoluble in water. |
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