Ecer asks for your consent to use your personal data to:
Personalised advertising and content, advertising and content measurement, audience research and services development
Store and/or access information on a device
Your personal data will be processed and information from your device (cookies, unique identifiers, and other device data) may be stored by, accessed by and shared with 135 TCF vendor(s) and 65 ad partner(s), or used specifically by this site or app.
Some vendors may process your personal data on the basis of legitimate interest, which you can object to by do not consent. Contact our platform customer service, you can also withdraw your consent.
Your message must
be between 20-3,000 characters!
Submit Requirement
Thank You！
Your requirement has been sent. we will contact you quickly!
{"title":"High-Purity White D50 Spherical Alumina Powder with 3.60 g\/cm\u00b3 Specific Gravity","imgUrl":"https:\/\/img.chinax.com\/nimg\/de\/0f\/b6f8eb0d7856bc5caf736453d857-200x200-1\/high_purity_white_d50_spherical_alumina_powder_with_3_60_g_2fcm_c2_b3_specific_gravity.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 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 Spherical Alumina Powder - White D50 Powder with 3.60 g/cm³ Specific Gravity for Thermal Interface Materials
This premium spherical alumina powder features exceptional globularity and high thermal conductivity, manufactured through advanced high-temperature melting technology. With its unique spherical morphology and high α-Al₂O₃ content, it delivers superior performance as a functional filler in thermal interface materials, ceramic composites, and electronic packaging applications.
Technical Specifications
Available Particle Size Distributions
Type
D50 (μm)
Specific Surface Area (m²/g)
SA-05
5 ± 1
0.60
SA-10
10 ± 2
0.50
SA-20
20 ± 3
0.40
SA-30
30 ± 3
0.30
SA-40
40 ± 5
0.20
SA-70
70 ± 6
0.12
Physical Properties
Appearance: White free-flowing powder
Specific Gravity: 3.60 g/cm³
Melting Point: 2050°C
Moisture Content: ≤ 0.05%
Electrical Conductivity: ≤ 10 μS/cm
pH Value: 7.0 ± 0.5
α-Al₂O₃ Content: ≥ 90%
Sphericity Ratio: ≥ 95%
Chemical Composition (All Types)
Al₂O₃: ≥ 99.0%
SiO₂: ≤ 0.05%
Fe₂O₃: ≤ 0.05%
Na₂O: ≤ 0.02-0.03%
Other Oxides (K₂O, MgO, CaO): ≤ 0.01-0.02%
Key Performance Characteristics
High Packing Density: Optimized particle size distribution enables dense packing in polymers and ceramics, resulting in compounds with lower viscosity and improved flow characteristics
Enhanced Thermal Conductivity: Superior packing efficiency creates effective heat transfer pathways, enabling formulation of high thermal conductivity composites (2-10 W/m*K) that outperform conventional crystalline silica fillers
Reduced Equipment Wear: Perfect spherical morphology minimizes abrasion to processing equipment, extending service life of mixing, molding, and extrusion machinery
Excellent Electrical Properties: Low moisture content and electrical conductivity make it suitable for demanding electronic applications
Primary Applications
Thermal Management Materials: Fillers for thermal grease, phase change materials, thermal pads, heat sink composites, and MC (Metal Core) PCB thermal filling compounds
Electronic Packaging: Semiconductor encapsulation resins, silicone-based thermal adhesives, and potting compounds for electronic components
Superior Sphericity (>95%) for optimal flow and packing
High Purity (99% Al₂O₃) for demanding applications
Controlled Particle Size distributions for specific formulation needs
Proven Performance in thermal interface materials and electronic composites
Looking to enhance your material's thermal performance? Contact our technical team for product samples and application guidance tailored to your specific requirements.
