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Talc is a naturally occurring mineral composed primarily of magnesium, silicon, and oxygen. It is known for its softness and is often used as a filler or lubricant in various industrial applications. Talc is typically mined from deposits and then processed to produce a fine powder that is used in a variety of products due to its unique properties, such as moisture absorption and chemical inertness.
| Chemical formula | Mg3Si4O10(OH)2 |
| Purity | Typically 85% to 99% talc |
| Particle size | D50 ranging from 1 to 10 microns |
| Color | White, gray, green, or brown |
| Moisture content | Usually less than 1% to 5% |
When selecting talc, consider the required purity levels and particle size for your specific application. Different grades may be suitable for various uses, such as ceramics or cosmetics. Buyers should specify the desired moisture content, as well as any certifications needed for food or pharmaceutical applications. It is also important to communicate the quantity required for production to ensure adequate supply.
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Talc is used in ceramics, plastics, cosmetics, and as a lubricant.
Yes, talc is generally considered safe for use in cosmetics, but purity and sourcing should be verified.
Talc is mined, crushed, and then milled to achieve the desired particle size.
Yes, but it must meet specific food-grade standards.
Talc mining can have environmental impacts, including habitat disruption and water usage.
Talc should be stored in a cool, dry place to prevent moisture absorption.