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| Place of Origin | Jiangsu, China | Brand Name | DIGHEN |
| Model Number | DH007-21 | Type | Silica Powder |
| Application | electrode | Grade | Silica Ultra Fine-500 |
| SiO2 Content (%) | 99.0-99.9% | Fe2O3 Content (%) | <0.01% |
| Al2O3 Content (%) | <0.1% | MgO Content (%) | <0.005% |
| CaO Content (%) | <0.005% | P2O5 Content (%) | <0.001% |
| Product name | silica microspheres | Particle size distribution | D50:3um |
| SiO2 content | 99.9% | Appearance | White powder |
| Mohs hardness | 6 | Density | 2.2kg/m3 |
| Ion impurity- Na | < 1ppm | Ion impurity- Cl | < 1ppm |
| Whiteness | >93 | Thermal conductivity | 1.1 W/K.M |
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