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Low-Abrasion Spherical Alumina Powder
Low-Abrasion Spherical Alumina Powder Low-Abrasion Spherical Alumina Powder

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Low-Abrasion Spherical Alumina Powder

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This product is high-purity, low-wear spherical aluminum oxide powder (Al2O3), specifically designed for precision electronic packaging, high-end ceramics, and semiconductor applications. Prepared by an advanced melt-spraying method, the particles are perfectly spherical with smooth surfaces and moderate hardness, which can significantly reduce equipment wear, prolong mold life, and maintain excellent thermal conductivity and insulation properties. It is suitable for harsh industrial environments such as high-precision filling, thermal interface materials (TIM), and 3D printing.
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Product Description
This product is high-purity, low-wear spherical aluminum oxide powder (Al2O3), specifically designed for precision electronic packaging, high-end ceramics, and semiconductor applications. Prepared by an advanced melt-spraying method, the particles are perfectly spherical with smooth surfaces and moderate hardness, which can significantly reduce equipment wear, prolong mold life, and maintain excellent thermal conductivity and insulation properties. It is suitable for harsh industrial environments such as high-precision filling, thermal interface materials (TIM), and 3D printing.

Application Fields
Electronic Packaging: Filling for IC substrates, LED packaging, and power modules to reduce equipment wear.
Thermal Materials: Filler for thermal silicone rubber/gel to enhance heat dissipation efficiency.
Precision Ceramics: Structural ceramics and grinding media to reduce processing loss.
3D Printing: High-flow powder suitable for SLS/DLP printing.
Coating Materials: Wear-resistant protective coatings to extend component service life.

Product Advantages
Low Wear Characteristics: Optimized hardness and sphericity reduce wear on production equipment.
High Thermal Conductivity and Insulation: Ensures heat dissipation and electrical safety of electronic devices.
Stable Purity: 99.5% purity, suitable for semiconductor-grade applications.
Customizable Particle Size: Supports particle size adjustment from 1-50μm to meet different process requirements.
Excellent Flowability: Spherical particles ensure high filling rate and uniform dispersion.

Why Choose Us?
Strict Quality Control: ISO 9001 certified, compliant with RoHS/REACH standards.
Technical Customization: Provides surface modification services (such as silane coupling).
Global Supply: Stable production capacity, supporting sample testing and small-batch customization.
Professional Support: Engineer team provides application solutions.

Packaging and Transportation
Standard Packaging: 25kg/bag, customizable according to customer requirements.
Transportation: Sea/air freight.

Suitable for: Electronic component manufacturers, thermal material suppliers, ceramic processing enterprises.



Project

Related indicators

Explain

Purity

A1.03

More than 99%

Impurities

Na,0

Can be as low as below 300ppm

Appearance

0-A1z03 content

Up to 90% or more
Particle Size Distribution D50 Optional within 2um-50um

Di₀0

Can be as low as 10um or less

Particle size distribution Adjustments can be made based on the typical distribution according to the requirements of the palace household, including multi-modal distribution and narrow distribution


Project

Unit

Typical values

Appearance

/

White pink wood

Particle Shaped Ni

/ Spherical

Density

kg/m³ 3.7×103

Mohs Hardness

/ 6-9

Dielectric Constant

Er 9

Dielectric Loss

lgδ 0.0003
Linear expansion coefficient 1/K 0.7x10-6
Thermal conductivity W/Kam 30


+8618168153275
+86-181-6815-3275

CONTACT US

Tel: +86-181-6815-3275
Emai: sales@silic-st.com
WhatsApp: +8618168153275
Add: No. 8-2, Zhenxing South Road, High-tech Development Zone, Donghai County, Jiangsu Province

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