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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"}}
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{"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,,"}}
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Enhance Thermal Management with Precision-Engineered Alumina Fillers
Our high-purity approximate spherical alpha alumina powder is specifically formulated to maximize thermal conductivity in polymer composites and thermal interface materials. With controlled particle size distribution and exceptional purity, this advanced ceramic filler enables superior heat dissipation in demanding electronic applications.
Technical Specifications
Parameter
Unit
SW-2
SW-5
SW-8
SW-15
SW-20
Al₂O₃ Content
%
≥99.5
≥99.5
≥99.5
≥99.5
≥99.5
SiO₂
%
≤0.10
≤0.08
≤0.08
≤0.08
≤0.08
Fe₂O₃
%
≤0.03
≤0.03
≤0.03
≤0.03
≤0.03
Na₂O
%
≤0.10
≤0.10
≤0.10
≤0.10
≤0.10
LOI
%
≤0.10
≤0.10
≤0.10
≤0.10
≤0.10
H₂O
%
≤0.10
≤0.10
≤0.10
≤0.10
≤0.10
D50
μm
3.0±0.5
6.5±0.5
9.0±2.0
13.0±2.0
20.0±2.0
Density
g/cm³
0.6±0.2
0.9±0.2
1.0±0.2
1.0±0.2
1.2±0.2
Oil Absorption
%
≤45
≤40
≤35
≤30
≤30
Key Features & Benefits
High Purity Composition: ≥99.5% Al₂O₃ content ensures optimal thermal performance and electrical insulation
Optimized Particle Morphology: Approximately spherical shape enables higher packing density and improved flow characteristics
Controlled Particle Size Distribution: Multiple D50 grades from 3μm to 20μm allow for precise formulation optimization
