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Product Description
Ultra Fine Alumina is a high-purity alumina powder produced through advanced refining and micronization processes. It features exceptional purity (99.9%–99.995%), low impurity content, sub-micron particle size, and excellent dispersibility.
The RB-X series includes RB-X-1, RB-X-2, and RB-X-3, distinguished by different purity levels to meet diversified application needs in electronic ceramics, polishing materials, refractories, catalysts, and advanced composites.
Product Features
High purity: 99.9%–99.995% Al₂O₃
Extremely low impurities (Si, Fe, Na, Ca in ppm range)
Sub-micron particle size: D50 = 0.2–1 μm
Excellent chemical stability
Good dispersibility for wet and dry processes
BET surface area: 5–12 m²/g, suitable for ceramics and catalysts
Technical Overview
Applications
Electronic Ceramics: Insulating ceramics, ceramic substrates, precision structural ceramics
Polishing Materials: Optical glass polishing, metal finishing, CMP processes
Refractories: High-performance castables, alumina-based refractory additives
Functional Fillers: Coatings, inks, resins, thermal conductive composites
Catalysts & Carriers: Chemical catalysts, adsorbents, γ-Al₂O₃ carriers
Battery & Advanced Materials: Lithium-battery separator coatings, ceramic-coated materials
FAQS
Q: Does it support customized production?
A: Yes, particle size distribution, packaging and special indicators can be adjusted according to needs.
Q: How to pack and ship?
A: Moisture-proof woven bags or ton bags;Sea/air transportation, DDP, FOB,CIF and other trade terms are available.
Q: Can you provide samples?
A: Free samples of 1-2kg will be sent out within 3 working days.
Q: Do you guarantee safe and secure delivery of products?
A: Yes, we always use high quality export packaging. We also use specialized hazard packing for dangerous goods and validated cold storage shippers for temperature sensitive items. Specialist packaging and non-standard packing requirements may incur an additional charge.
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