Product Introduction of White Fused Alumina #4000
White Fused Alumina #4000 is a high-purity, ultra-fine abrasive powder designed for precision polishing, lapping, fine grinding, and surface finishing applications. Produced from high-quality alumina through an electric arc fusion process and subsequent advanced processing, it offers excellent hardness, chemical stability, and consistent abrasive performance.
With its fine particle size and controlled particle distribution, White Fused Alumina #4000 is suitable for applications where a smooth, uniform, and highly refined surface finish is required. The sharp and hard alumina particles provide effective cutting action while allowing precise control during fine grinding and polishing processes.
White Fused Alumina #4000 is widely used in precision surface treatment for metals, ceramics, optical components, and other industrial materials. Its white color, high purity, and low impurity content also make it suitable for applications where surface cleanliness and appearance are important. Depending on the customer’s requirements, particle size distribution, packaging, and other specifications can be customized for different industrial applications.
Product Features of White Fused Alumina #4000
- High purity and low impurity content
- Ultra-fine #4000 abrasive grade
- Consistent particle size distribution
- Excellent hardness and cutting performance
- Good chemical and thermal stability
Chemical Properties of White Fused Alumina #4000
| Component | Typical Content |
|---|---|
| Al₂O₃ | ≥ 99.5% |
| Na₂O | ≤ 0.30% |
| SiO₂ | ≤ 0.05% |
| Fe₂O₃ | ≤ 0.05% |
Physical Properties of White Fused Alumina #4000
| Material | White Fused Alumina |
|---|---|
| Grade | #4000 |
| Color | White |
| Crystal Structure | Alpha-Al₂O₃ |
| Mohs Hardness | 9.0 |
| Melting Point | Approximately 2050°C |
Applications of White Fused Alumina #4000
- Precision polishing
- Fine lapping
- Ultra-fine grinding
- Optical component finishing
- Ceramic surface finishing
- Metal polishing
- Precision surface preparation
Packing of White Fused Alumina #4000
White Fused Alumina #4000 is available in flexible packaging options to meet different transportation, storage, and application requirements.
- 25 kg woven bags or paper bags with inner plastic liners
- 25 kg paper bags with moisture-resistant inner packaging
- 500–1,000 kg bulk bags for larger orders
- Customized packaging and labeling available upon request
- Packaging can be adjusted according to shipping and customer requirements
Packing Notes:
- Keep the product sealed and dry during storage and transportation
- Avoid direct exposure to moisture, rain, and humid environments
- Store in a clean, dry, and well-ventilated area
- Handle carefully to prevent package damage during loading and unloading
- Customized packing, marking, and labeling can be arranged for bulk orders
FAQ
It is mainly used for precision polishing, lapping, fine grinding, and ultra-fine surface finishing.
White fused alumina has a Mohs hardness of approximately 9.0.
Yes. Particle size distribution and packaging can be customized according to customer requirements.
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