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HS Code |
544460 |
| Chemicalname | Silicon Powder [Amorphous] |
| Casnumber | 7440-21-3 |
| Molecularformula | Si |
| Molarmass | 28.09 g/mol |
| Physicalform | Powder |
| Color | Dark brown to black |
| Purity | Typically ≥99% |
| Particlesize | Variable, commonly <100 microns |
| Density | 2.33 g/cm³ |
| Meltingpoint | 1410°C |
| Boilingpoint | 2355°C |
| Solubility | Insoluble in water |
| Crystalstructure | Amorphous |
| Electricalconductivity | Low (semiconductor) |
| Odor | Odorless |
As an accredited Silicon Powder [Amorphous] factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Sealed 500g plastic container with tamper-evident cap; clearly labeled “Silicon Powder [Amorphous]” with purity, warnings, and batch information. |
| Shipping | **Shipping Description for Silicon Powder [Amorphous]:** Silicon Powder [Amorphous] is shipped in tightly sealed, labeled containers to prevent contamination and moisture exposure. It should be handled as a non-hazardous, inert material, following standard safety precautions. Store and transport in a cool, dry place, away from incompatible materials and sources of ignition. |
| Storage | Silicon Powder (Amorphous) should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible substances such as oxidizing agents. Protect from moisture and direct sunlight. Use only non-sparking tools, and ensure appropriate grounding and bonding procedures to prevent static discharge. Store in accordance with relevant chemical safety guidelines. |
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Purity 99%: Silicon Powder [Amorphous] with 99% purity is used in lithium-ion battery anodes, where it enhances energy density and cycle stability. Particle Size D50 ≤ 1 μm: Silicon Powder [Amorphous] with D50 ≤ 1 μm is used in nanocomposite coatings, where it improves surface hardness and wear resistance. BET Surface Area > 50 m²/g: Silicon Powder [Amorphous] with BET surface area above 50 m²/g is used in high-performance catalysts, where it increases active catalyst sites and reaction efficiency. Melting Point ~1414°C: Silicon Powder [Amorphous] with a melting point of approximately 1414°C is used in metallurgical additives, where it ensures thermal stability during steel alloying processes. Stability Temperature up to 900°C: Silicon Powder [Amorphous] stable up to 900°C is used in refractory ceramics, where it provides excellent thermal shock resistance and strength retention. Low Impurities < 0.1% Fe: Silicon Powder [Amorphous] with iron impurities less than 0.1% is used in photovoltaic cell production, where it minimizes contamination and maximizes conversion efficiency. Oxygen Content ≤ 2%: Silicon Powder [Amorphous] with oxygen content not exceeding 2% is used in electronic packaging materials, where it reduces defect rates and enhances dielectric properties. Bulk Density 0.4 g/cm³: Silicon Powder [Amorphous] with a bulk density of 0.4 g/cm³ is used in resin-based composites, where it improves dispersion and mechanical reinforcement. Hydrophilicity Index: Silicon Powder [Amorphous] with a high hydrophilicity index is used in water-based paints, where it increases pigment compatibility and coating uniformity. Amorphous Structure: Silicon Powder [Amorphous] with a fully amorphous structure is used in thermal insulation materials, where it provides low thermal conductivity and superior insulation performance. |
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