S40A60NP is our is our 40 meter surface silicon, typical 60 nm +/- 10%) equiaxed silicon powder that is >98% free of oxygen/silicon oxides. The silicon powder is passivated with silane, resistant to oxididation. $250/KG for lab and preproduction quantities. Volume pricing available on request.
Applications include pyrotechnical mixes and lithium-ion anode systems.
Price includes standard 5 day ground shipping anywhere within the US. Contact us for quotes for non US locations.
Packing:
S40A60NP is delivered in sealed metal container containing 1.5KG of aqueous/silicon slurry.
65% solids loading, 1KG silicon equivalent on a dry weight basis.
Also available as a dry powder, S40A60N or carried in an ethanol slurry S40A60NES
This product requires special handling and cannot be shipped via air.
Please refer to the SDS for safety details.
Chemical Analysis
Silicon: Upgraded Metallurgical Grade
| Element
| Si wt% | Al ppmw | Ca ppmw | Fe ppmw | Ti ppmw | P ppmw | Cu ppmw | Cr ppmw | K ppmw | V ppmw | Ni ppmw | Na ppmw |
| Typical Value | 99.99668 | 6.1 | 1.2 | 10.6 | 2.9 | 2.9 | 3.3 | 2.1 | 1.9 | 0.1 | 1.2 | 0.9 |
Size and Distribution
|
| Description | Volume D50 µm (inferred from BET) | Number D50 µm (inferred from BET) | Microtrac SA m2/cc | BET SA m2/g |
| SV 40 WS | Crystalline Silicon 40 m2/g Passivated | 0.063 | 0.063 | X | 40.84 |
Silane. Proprietary 4-6nm silane coating layer.