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Silica, also known as silicon dioxide, is a naturally occurring mineral found in various forms, including quartz, sand, and glass. It is composed of silicon and oxygen and is known for its hardness and chemical stability. Silica is typically used in a wide range of industrial applications, including the production of glass, ceramics, and concrete, as well as in foundry molds and as a filler in various products.
| Chemical formula | SiO2 |
| Purity levels | 95% to 99.9% |
| Particle size | From fine powders (less than 10 microns) to coarse grains |
| Color | Colorless to white, can vary based on impurities |
| Moisture content | Typically less than 0.5% |
When choosing silica, consider the specific application and required purity levels. Different industries may require silica with varying particle sizes and moisture content. It is important to specify the desired grade, such as quartz or amorphous silica, as well as any relevant certifications for safety and environmental standards. Additionally, provide information on the required quantity to ensure accurate pricing.
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Quartz is a crystalline form of silica, while silica can also exist in amorphous forms.
Silica is generally safe, but inhalation of fine silica dust can pose health risks.
Silica is used in glass, ceramics, construction, electronics, and more.
Silica is mined, crushed, and processed to meet specific size and purity requirements.
Yes, silica can be recycled and reused in various applications.
Common forms include quartz, sand, and silica gel.