0.1-0.3µm Calcined Alumina Powder with 9 Mohs Hardness and High Purity for Precision Polishing
Price:
200-500 yuan/kg
MOQ:
Negotiable
Delivery Time:
Negotiable
Brand:
KEGU
Product Description
0.1-0.3µm Calcined Alumina Powder | 9 Mohs High Hardness for Precision Polishing
Our Calcined Alumina Powder is engineered for precision polishing applications where surface quality is critical. With a controlled particle size of 0.1-0.3 micrometers and exceptional 9 Mohs hardness, this premium alumina powder delivers outstanding polishing performance for the most demanding industrial applications.
Key Product Advantages
- Exceptional Hardness - 9 Mohs hardness ensures effective material removal and superior surface finishing
- Narrow Particle Distribution - Controlled 0.1-0.3µm size range guarantees consistent, scratch-free results
- Excellent Suspension Stability - Maintains uniform dispersion in polishing compounds and slurries
- Optimized Crystal Morphology - Round-shaped crystal structure prevents surface damage and enables fine polishing
- High Purity Composition - Minimum 99.2% Al₂O₃ content ensures reliable, contaminant-free performance
Technical Specifications
| Grade | Al₂O₃ % ≥ | SiO₂ % ≤ | Fe₂O₃ % ≤ | Na₂O % ≤ | Density (g/cm³) ≥ | Average Particle Size (µm) | Primary Application |
|---|---|---|---|---|---|---|---|
| ALP-01G | 99.2 | 0.2 | 0.05 | 0.4 | 3.90 | 0.1-0.3 | Super Fine Polishing |
| ALP-02G | 99.2 | 0.2 | 0.05 | 0.3 | 3.92 | 1.0-2.0 | Fine Polishing |
| ALP-03G | 99.2 | 0.2 | 0.05 | 0.3 | 3.94 | 2.0-3.0 | Semi Polishing |
| ALP-04G | 99.5 | 0.2 | 0.05 | 0.1 | 3.96 | 3.0-5.0 | Rough Polishing |
Primary Applications
Semiconductor Industry
- Monocrystalline silicon wafers and substrates
- Semiconductor component finishing
Optical Manufacturing
- Optical glass lenses and components
- Cathode ray tube (CRT) glass shells
- Computer hard disk substrates
- Precision optical elements
Advanced Materials Processing
- High-end stone polishing (granite, marble)
- Precious metal finishing
- Automotive and aerospace components
- Medical device surfaces
Product Forms & Uses
This calcined alumina serves as an essential skeletal material for formulating:
- High-performance polishing pastes
- Advanced polishing solutions
- Chemical-mechanical polishing (CMP) slurries
- Industrial abrasive compounds
Why Choose Our Alumina Powder?
The unique combination of high hardness, controlled particle morphology, and narrow size distribution makes our calcined alumina powder ideal for applications requiring mirror-like finishes without subsurface damage. Its excellent suspension characteristics ensure consistent performance throughout the polishing process, reducing waste and improving efficiency.
For precision polishing results that meet the highest industry standards, our 0.1-0.3µm calcined alumina powder delivers unmatched performance and reliability.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Shaanxi KeGu New Material Technology Co., Ltd
Location
5# Chaoyang Road,Weicheng Sub-district，Qinhan New City, Xixian New Area, Xi'an Shaanxi Province,China,712039
Contact Person
Yuki