High-Fluidity Spherical Silica Micro Powder 3D Printing
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Spherical silica micro-powder is a high-purity and ultra-fine spherical silicon dioxide (SiO) powder, processed through special techniques, and has excellent physical and chemical properties. Its spherical particle morphology endows it with characteristics such as high fluidity, low stress, and high filling rate, and it is widely applied in fields such as electronic packaging, composite materials, coatings, adhesives, and ceramics.
Our high fluidity spherical silica micro powder is a high-purity, ultra-fine amorphous SiO2 filler processed via specialized advanced techniques, designed for industrial manufacturing businesses requiring exceptional flowability, high filling density, and consistent performance in additive manufacturing, electronic packaging, and advanced composite production. The product’s uniform spherical particle morphology delivers inherent advantages over irregular silica fillers, including low friction, minimal mechanical wear, and excellent flowability in both liquid and solid polymer systems.
With SiO2 purity reaching ≥99.6% and extremely low impurity content, this material offers outstanding chemical inertness, acid and alkali corrosion resistance, and excellent compatibility with most resin, plastic, and polymer systems. We provide full customization of particle size distribution and surface treatments (including hydrophobic modification) to meet the unique needs of diverse industrial applications, with strict quality control ensuring consistent performance across every batch.
Product Specifications
Project
Unit
Typical values
Appearance
/
White powder
Density
kg/m3
2.59×103
Mohs hardness
/
five
Dielectric constant
/
5.0（1MHz）
Dielectric loss
/
0.003（1MHz）
Linear expansion coefficient
1/K
3.8×10-6
Project
Related indicators
Explain
Chemical Composition
SiO2 content, etc
Having a stable chemical composition to ensure consistent performance
Ion Impurity
Na+, Cl -, etc
Can be as low as 5ppm or below
Particle Size Distribution
D50
D50=0.5-10 µ m optional
Particle size distribution
Adjustments can be made based on typical distributions as required, including multimodal distributions, narrow distributions, etc
Surface Characteristics
Hydrophobicity, oil absorption value, etc
Different functional treatment agents can be selected according to customer requirements
Key Advantages of High Fluidity Spherical Silica Micro Powder
Exceptional Flowability from Uniform Spherical Morphology
The smooth, spherical particle structure delivers industry-leading fluidity, reducing system viscosity and improving processing performance, while minimizing mechanical wear on production equipment during mixing, extrusion, and printing processes.
Ultra-High Purity & Minimal Contamination
With SiO2 content ≥99.6% and ionic impurities as low as 5ppm, this product eliminates performance interference from contaminants, making it suitable for high-sensitivity electronic and high-end manufacturing applications.
We offer fully customizable average particle sizes ranging from 0.1μm to 50μm, with optional surface treatments including hydrophobic modification to optimize dispersibility and compatibility with diverse polymer and resin systems.
High Filling Density & Low Stress Performance
The spherical particle shape enables ultra-high packing density, allowing for high filler loading without compromising material performance, while reducing internal stress in cured or molded products to improve dimensional stability.
Excellent Chemical Inertness & Wide Compatibility
The material is highly resistant to acid and alkali corrosion, with stable chemical properties and excellent compatibility with most resin, plastic, and rubber systems, extending the service life of end products in harsh operating environments.
Industrial Applications
Additive manufacturing & 3D printing material production: Serves as a high-performance filler for 3D printing resins, improving printing fluidity, dimensional accuracy, and mechanical strength of finished parts
High-density electronic packaging fabrication: Ideal for chip packaging, epoxy resin fillers, and PCB substrates, enhancing thermal stability and insulation performance of electronic components
Advanced composite material manufacturing: Improves the performance of plastics, rubbers, and advanced ceramics, enhancing wear resistance, dimensional stability, and thermal resistance
High-performance coatings & adhesives formulation: Enhances the wear resistance, weather resistance, and leveling property of industrial coatings and adhesives, improving surface finish and service life
Cosmetic and pharmaceutical additive production: Used as a functional additive to improve product texture and stability, meeting strict purity requirements for cosmetic and pharmaceutical applications
FAQ
What makes this high fluidity spherical silica micro powder suitable for 3D printing applications?
The uniform spherical morphology delivers exceptional flowability and low viscosity in resin systems, enabling smooth, consistent printing without nozzle clogging, while improving the dimensional accuracy, surface finish, and mechanical strength of 3D printed parts.
Can you customize the surface properties of the spherical silica powder?
Yes, we offer a full range of customizable surface treatments, including hydrophobic modification, to optimize compatibility with different resin, plastic, and polymer systems, ensuring optimal dispersibility and performance in your specific formulation.
What particle size range is available for this product?
We provide fully customizable average particle sizes ranging from 0.1μm to 50μm, with strict laser particle analysis to ensure consistent particle size distribution across every production batch.
What quality control standards do your products follow?
Our production process is certified under the ISO9001 quality management system, with multi-stage quality checks from raw material sourcing to final packaging. All products pass SGS environmental testing and fully comply with EU ROHS standards.
Our high fluidity spherical silica micro powder is a high-purity, ultra-fine amorphous SiO2 filler processed via specialized advanced techniques, designed for industrial manufacturing businesses requiring exceptional flowability, high filling density, and consistent performance in additive manufacturing, electronic packaging, and advanced composite production. The product’s uniform spherical particle morphology delivers inherent advantages over irregular silica fillers, including low friction, minimal mechanical wear, and excellent flowability in both liquid and solid polymer systems.
With SiO2 purity reaching ≥99.6% and extremely low impurity content, this material offers outstanding chemical inertness, acid and alkali corrosion resistance, and excellent compatibility with most resin, plastic, and polymer systems. We provide full customization of particle size distribution and surface treatments (including hydrophobic modification) to meet the unique needs of diverse industrial applications, with strict quality control ensuring consistent performance across every batch.
Product Specifications
Project
Unit
Typical values
Appearance
/
White powder
Density
kg/m3
2.59×103
Mohs hardness
/
five
Dielectric constant
/
5.0（1MHz）
Dielectric loss
/
0.003（1MHz）
Linear expansion coefficient
1/K
3.8×10-6
Project
Related indicators
Explain
Chemical Composition
SiO2 content, etc
Having a stable chemical composition to ensure consistent performance
Ion Impurity
Na+, Cl -, etc
Can be as low as 5ppm or below
Particle Size Distribution
D50
D50=0.5-10 µ m optional
Particle size distribution
Adjustments can be made based on typical distributions as required, including multimodal distributions, narrow distributions, etc
Surface Characteristics
Hydrophobicity, oil absorption value, etc
Different functional treatment agents can be selected according to customer requirements
Key Advantages of High Fluidity Spherical Silica Micro Powder
Exceptional Flowability from Uniform Spherical Morphology
The smooth, spherical particle structure delivers industry-leading fluidity, reducing system viscosity and improving processing performance, while minimizing mechanical wear on production equipment during mixing, extrusion, and printing processes.
Ultra-High Purity & Minimal Contamination
With SiO2 content ≥99.6% and ionic impurities as low as 5ppm, this product eliminates performance interference from contaminants, making it suitable for high-sensitivity electronic and high-end manufacturing applications.
We offer fully customizable average particle sizes ranging from 0.1μm to 50μm, with optional surface treatments including hydrophobic modification to optimize dispersibility and compatibility with diverse polymer and resin systems.
High Filling Density & Low Stress Performance
The spherical particle shape enables ultra-high packing density, allowing for high filler loading without compromising material performance, while reducing internal stress in cured or molded products to improve dimensional stability.
Excellent Chemical Inertness & Wide Compatibility
The material is highly resistant to acid and alkali corrosion, with stable chemical properties and excellent compatibility with most resin, plastic, and rubber systems, extending the service life of end products in harsh operating environments.
Industrial Applications
Additive manufacturing & 3D printing material production: Serves as a high-performance filler for 3D printing resins, improving printing fluidity, dimensional accuracy, and mechanical strength of finished parts
High-density electronic packaging fabrication: Ideal for chip packaging, epoxy resin fillers, and PCB substrates, enhancing thermal stability and insulation performance of electronic components
Advanced composite material manufacturing: Improves the performance of plastics, rubbers, and advanced ceramics, enhancing wear resistance, dimensional stability, and thermal resistance
High-performance coatings & adhesives formulation: Enhances the wear resistance, weather resistance, and leveling property of industrial coatings and adhesives, improving surface finish and service life
Cosmetic and pharmaceutical additive production: Used as a functional additive to improve product texture and stability, meeting strict purity requirements for cosmetic and pharmaceutical applications
FAQ
What makes this high fluidity spherical silica micro powder suitable for 3D printing applications?
The uniform spherical morphology delivers exceptional flowability and low viscosity in resin systems, enabling smooth, consistent printing without nozzle clogging, while improving the dimensional accuracy, surface finish, and mechanical strength of 3D printed parts.
Can you customize the surface properties of the spherical silica powder?
Yes, we offer a full range of customizable surface treatments, including hydrophobic modification, to optimize compatibility with different resin, plastic, and polymer systems, ensuring optimal dispersibility and performance in your specific formulation.
What particle size range is available for this product?
We provide fully customizable average particle sizes ranging from 0.1μm to 50μm, with strict laser particle analysis to ensure consistent particle size distribution across every production batch.
What quality control standards do your products follow?
Our production process is certified under the ISO9001 quality management system, with multi-stage quality checks from raw material sourcing to final packaging. All products pass SGS environmental testing and fully comply with EU ROHS standards.
