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Technical Specifications
| SiO₂ | ≥99% |
| Fe₂O₃ | ≤0.019% |
| Whiteness | High |
| Mohs Hardness | 7~8 |
| Bulk Density | ≥2.66~2.68g/cm3 |
| Wear Resistance | Excellent |
Why Does Mill Lining Matter in High Purity Grinding?
high purity quartz
silicon powder
electronic ceramics
semiconductor materials
powder whiteness
purity consistency
electrical performance
particle quality
downstream processing stability
Iron contamination
Black spots in powder products
Increased impurity levels
Unstable whiteness
Characteristics of High-Purity Silica Stone
High SiO₂ Content
With SiO₂ content above 99%, the material provides superior purity performance for high-end grinding applications.
Low Impurity Levels
The stone contains lower impurity content compared with conventional silica lining materials, helping minimize contamination risks during milling operations.
High Whiteness Stability
Excellent natural whiteness supports applications requiring stable powder color and appearance consistency.
Stable Mineral Structure
Compared with ordinary silica stone, the mineral composition is more uniform and structurally stable, contributing to more consistent grinding behavior and reduced material fluctuation.
Excellent Hardness & Wear Resistance
High hardness and abrasion resistance help extend service life, reduce maintenance frequency, and improve long-term operational stability.
Advantages Compared with Conventional Silica Lining Materials
| Low contamination potential |
| Stable mineral composition |
| High whiteness stability |
| Lower Fe contamination risk |
| Excellent wear resistance |
| Suitable for high-purity grinding |
Silicon Powder Production
Suitable for reducing contamination during silicon powder grinding and helping maintain stable powder purity and whiteness.
High Purity Quartz Grinding
High SiO₂ content and low impurity characteristics support contamination-controlled quartz milling applications.
Semiconductor Raw Material Processing
Recommended for grinding systems requiring strict purity control, low contamination risk, and stable material performance.
Electronic Ceramic Materials
Suitable for advanced ceramic powder preparation processes with demanding whiteness and impurity requirements.
Advanced Mineral Powders
Excellent wear resistance and stable mineral structure help ensure long-term grinding stability in high-end mineral processing systems.
Low Contamination Grinding Solution
iron contamination
abnormal black spots
wear-generated impurities
powder discoloration
unstable product quality
Making it an ideal solution for contamination-sensitive grinding environments.
Available Processing Options
Handcrafted Lining Bricks
Suitable for customized installation requirements, irregular mill structures, and flexible on-site adjustment.
Precision Machine-Cut Bricks
Processed with improved dimensional accuracy for better installation consistency and higher lining efficiency.
Available for standardized industrial grinding systems requiring tighter dimensional control.
Customization Support
Ball mill dimensions
Installation structure
Grinding conditions
Industry requirements
