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{"title":"High Purity Ultrafine Silicon Carbide Micropowder with Large Specific Surface","imgUrl":"https:\/\/img.chinax.com\/nimg\/74\/a0\/1f96e5e85238341af29d9338697f-200x200-1\/high_purity_ultrafine_silicon_carbide_micropowder_with_large_specific_surface_area_for_advanced_ceramics.jpg","attrs":{"Brand Name":"KeGu","Model Number":"Customizable","Place of Origin":"China","Price":"30-70 yuan\/kg"}}
{"title":"High-Purity Alpha Alumina Powder for Thermal Management with Controlled Particle","imgUrl":"https:\/\/img.chinax.com\/nimg\/2a\/e1\/a70f01efef82c77225a80f5f2962-200x200-1\/high_purity_alpha_alumina_powder_for_thermal_management_with_controlled_particle_size_distribution_and_high_packing_density.jpg","attrs":{"Model Number":"Customizable","Material":"SiC","Composition:SiC":"\uff1e85%","Color":"Black"}}
{"title":"Battery-Grade 99.95% High Purity Alumina Powder with Excellent Dispersibility","imgUrl":"https:\/\/img.chinax.com\/nimg\/21\/48\/a4e6119b51434c6a2773c55b7c41-200x200-1\/battery_grade_99_95_25_high_purity_alumina_powder_with_excellent_dispersibility_for_li_ion_ceramic_separator_coating.jpg","attrs":{"Material":"SiC","Composition:SiC":"\uff1e85%","Color":"Black","Density":"\u22653.65g\/cm3"}}
{"title":"99.7% Al2O3 Alumina Filler for High-Voltage Electrical Insulation with 1.20 g\/cm","imgUrl":"https:\/\/img.chinax.com\/nimg\/6a\/b5\/d2131f5e1fae0e7970e9bb3d6f95-200x200-1\/99_7_25_al2o3_alumina_filler_for_high_voltage_electrical_insulation_with_1_20_g_2fcm_c2_b3_density.jpg","attrs":{"Brand Name":"KEGU","Place of Origin":"China","Price":"200-500 yuan\/kg","Payment Terms":"L\/C,D\/A,D\/P,T\/T,,"}}
{"title":"High-Fluidity High-Purity Alumina Ceramic Powder (Al2O3 \u226599.7%) for Photovoltaic","imgUrl":"https:\/\/img.chinax.com\/nimg\/3b\/b5\/892dd6a03ae1b253e734dbd0bcbb-200x200-1\/high_fluidity_high_purity_alumina_ceramic_powder_28al2o3_e2_89_a599_7_25_29_for_photovoltaic_26_lcd_glass_applications.jpg","attrs":{"Model Number":"Customizable","Material":"SiC","Composition:SiC":"\uff1e85%","Color":"Black"}}
High Purity Gamma Alumina Powder & Calcined Alumina Ceramic Parts
Our High Purity Gamma Alumina Powder (CAS 21645-51-2) is a nanomaterial engineered for advanced industrial applications. Produced by calcining pseudo-boehmite at low temperatures, it offers high reactivity and strong adsorbability due to its exceptional purity and significant surface area. This powder also serves as the primary raw material for our high-performance Calcined Alumina Ceramic Parts.
Product Specifications
CAS Number
21645-51-2
Purity (Al₂O₃)
> 99.99%
Average Particle Size
20 - 50 nm
Phase Structure
Gamma (γ)
Surface Area (BET)
~100 m²/g
Metallic Impurities (Ca, Cu, Fe, Mg, etc.)
Each < 15 ppm
Key Applications
Catalysis & Petrochemicals
Excellent catalyst and catalyst carrier for various chemical reactions due to high surface area and porosity.
Energy Storage
Key raw material for lithium battery separators, enhancing safety and performance.
Advanced Ceramics
Used in transparent ceramics, high-strength substrates, cutting tools, crucibles, and furnace components.
Surface Polishing
Effective polishing material for glass, metals, and semiconductors, providing superior finish quality.
Reinforced Composites
Wear-resistant reinforcing filler in paints, rubbers, and plastics for enhanced durability.
Specialized Materials
Used in vapor deposition, fluorescent materials, specialty glass, and aerospace composites.
