WANCHENG MINERAL provides high-quality biotite mica powder, stable raw material supply, customized particle sizes, export-grade packaging, and professional service for global industrial customers.
Contact WANCHENG MINERAL today to request product specifications, samples, technical support, and competitive pricing.
Mica
Biotite Mica Powder
|
Chemical Component |
Typical Content |
Description |
| SiO2 | 35% - 45% | Main silicate component |
| Al2O3 | 10% - 18% | Aluminosilicate component |
| Fe2O3 + FeO | 12% - 28% | Contributes dark color |
| MgO | 8% - 18% | Typical biotite component |
| K2O | 6% - 10% | Interlayer potassium component |
| CaO | 0.5% - 3% | Minor component |
| TiO2 | 0.5% - 3% | Trace or minor component |
| Loss on Ignition | 1% - 5% | Depends on ore source |
|
Item |
Typical Value |
| Product Name | Biotite Mica Powder |
| Appearance | Black, dark brown or brown-black powder |
| Main Mineral | Biotite mica |
| Particle Shape | Flake powder |
| Common Mesh Size | 100 - 1250 mesh or customized |
| Moisture | <= 1.0% or customized |
| Specific Gravity | Approx. 2.8 - 3.2 g/cm3 |
| pH Value | Approx. 7 - 9 |
| Heat Resistance | Good |
| Chemical Stability | Good |
| Packaging | 25kg bags, jumbo bags, OEM |
| Customization | Particle size, packaging, labeling |
Note: The chemical composition and technical parameters above are typical reference values for natural biotite mica powder. Final values may vary depending on ore source, processing grade, particle size, and customer requirements. WANCHENG MINERAL can provide customized specifications according to actual application needs.
Biotite mica powder offers several advantages as a natural functional mineral filler. First, its plate-like particle structure provides a barrier effect in coatings, plastics, and rubber systems. This structure can help improve dimensional stability, reduce shrinkage, and enhance surface texture in suitable formulations.
Second, biotite mica powder has good heat resistance. This makes it useful in applications such as high-temperature coatings, ceramic materials, welding materials, construction products, and friction materials. The natural silicate structure provides stable performance under many processing conditions.
Third, biotite mica powder provides a natural dark color. This is useful in black or dark-colored formulations where customers want to reduce pigment usage or obtain a mineral-based dark tone. It is especially suitable for dark coatings, plastic compounds, rubber products, decorative materials, and textured products.
Fourth, the product has good chemical stability and insulation properties. As a natural mica mineral, biotite is resistant to many chemical environments and can serve as a stable inorganic filler in industrial systems.
Finally, WANCHENG MINERAL can provide customized particle sizes and packaging according to customer needs. This helps customers use biotite mica powder more efficiently in different formulations and markets.
WANCHENG MINERAL provides flexible packaging options for biotite mica powder to meet different customer requirements. Standard packaging includes 25kg PP woven bags, 25kg paper bags, jumbo bags, palletized export packaging, and OEM packaging. Inner liners can be used when moisture protection is required.
For international shipment, packaging must protect the powder from moisture, contamination, and leakage. Proper labeling, batch number control, and palletized loading can also be arranged according to customer requirements. WANCHENG MINERAL supports container shipment and can provide export documents according to order requirements.
Recommended storage conditions include dry, clean, ventilated, and covered warehouse storage. Products should be kept away from moisture, oil, acids, and strong contamination sources to maintain stable performance.
WANCHENG MINERAL follows a controlled mineral processing workflow to ensure stable quality of biotite mica powder. The production process starts with raw ore selection. Suitable biotite ore is selected based on color, mineral content, impurity level, and final product requirements.
After selection, the raw ore is crushed into smaller particles. The crushed material is then dried when necessary to control moisture content. After drying, the material is ground using suitable grinding equipment to reach the required particle size. Coarse and fine grades can be produced according to customer applications.
The ground powder is classified and screened to achieve stable particle size distribution. Qualified powder is then inspected for appearance, mesh size, moisture, and other quality indicators. After inspection, the product is packed according to export standards or customer packaging requirements.
Typical production flow: Raw ore selection - Crushing - Drying - Grinding - Classification - Screening - Quality inspection - Packaging - Shipment.
-
Q1: What is biotite mica powder used for?
Biotite mica powder is used in coatings, plastics, rubber, ceramics, construction materials, welding materials, friction materials, and functional mineral filler applications. -
Q2: What is the difference between biotite mica powder and muscovite mica powder?
-
Q3: Can WANCHENG MINERAL customize particle size?
-
Q4: Is biotite mica powder suitable for coatings?
-
Q5: What packaging is available?
-
Q6: Can samples be provided before bulk order?