Fused silica powder is a kind of high-quality natural quartz raw material, which is transformed into amorphous quartz by electro-melting, and then through various processes such as crushing, sorting, ultra-fine grinding, precision grading, surface treatme
Feature：
Low dielectric constant; Low dielectric loss; Low coefficient of thermal expansion, high dimensional stability; High purity; High whiteness.
Application：
Applied in industries such as Copper-clad laminate, Ink coatings, Adhesives, Electronic packaging, and Composite materials.
Technical Data：
| Item | Unit | Typical Value | |
| Particle size distribution | D50 | Available within D50=0.5-10µm | |
| Particle size distribution | May be adjusted on basis of typical distribution as needed, including multimodal distribution and narrow-range distribution. | ||
| Appearance | / | White powder | |
| Density | kg/m3 | 2.20×103 | |
| Mohs Hardness | / | 6 | |
| Dielectric Constant | / | 3.88（1MHz） | |
| Dielectric Loss | / | 0.0002（1MHz） | |
| Coefficient of Linear Expansion | 1/K | 0.5×10-6 | |
| Ion impurity | ppm | Can be reduced below 3ppm | |
| Purity | SiO2content | ≧99.5 | |
1.The above physical indicators and chemical compositions are based on the average value of sample analysis and testing.
2.Individualized products can be customized: Particle size distribution can be controlled, and different surface activation can be selected.
3.For any special requirements, please feel free to contact us, we will provide solutions for you wholeheartedly.
