Silica Powder (Silicon Dioxide)
- Chemical formula: SiO₂
- Occurrence: Abundant in nature, found in sand, quartz, and other minerals.
- Properties: Hard, brittle, and resistant to heat and chemicals.
- Applications:
Construction: Concrete, cement, bricks, and glass
Electronics: Semiconductor manufacturing, optical fibers
Personal care: Toothpaste, sunscreen, and cosmetics
Food: Thickening agent, anti-caking agent
Other: Fillers, abrasives, and catalysts
Silicon Powder
- Chemical symbol: Si
- Occurrence: Produced through the reduction of silica
- Properties: Grey, metallic luster, good conductor of heat and electricity
- Applications:
Electronics: Semiconductors, transistors, and integrated circuits
Solar cells: Photovoltaic energy generation
Ceramics: Industrial ceramics, abrasives
Alloys: Improving mechanical properties of metals
Key Differences
| Feature | Silica Powder | Silicon Powder |
|---|---|---|
| Chemical composition | SiO₂ | Si |
| Occurrence | Abundant in nature | Produced from silica |
| Properties | Hard, brittle, insulator | Grey, metallic, conductor |
| Primary applications | Construction, electronics, personal care | Electronics, solar cells, ceramics |
