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High-Cost-Performance Industrial-Grade Spherical Silica Micro-Powder

This product is an industrial-grade spherical silica micro-powder, prepared by advanced process technology, with excellent physical and chemical properties and extremely high cost-performance. Through strict spheroidization treatment, the particles of silica micro-powder have uniform morphology and smooth surface, and possess high purity, low coefficient of thermal expansion, good fluidity and excellent filling performance. It can be widely applied in fields such as electronic packaging, composite materials, coatings, adhesives, ceramics, and aerospace.

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Product Description

Product Introduction:
This product is an industrial-grade spherical silica micro-powder, prepared by advanced process technology, with excellent physical and chemical properties and extremely high cost-performance. Through strict spheroidization treatment, the particles of silica micro-powder have uniform morphology and smooth surface, and possess high purity, low coefficient of thermal expansion, good fluidity and excellent filling performance. It can be widely applied in fields such as electronic packaging, composite materials, coatings, adhesives, ceramics, and aerospace.

Core Features

High Cost-performance: Optimize the production process, reduce costs, and the performance is comparable to high-end products.
Spherical Structure: High sphericity of particles, good fluidity, and reduce internal stress of materials.
Industrial-grade Quality: Resistant to high temperature and corrosion, suitable for harsh industrial environments.
High Purity and Low Impurities: The content of SiO2 is ≥99.6%, meeting the requirements of precision manufacturing.
Multifunctional Adaptability: Strong compatibility with substrates such as resins and plastics, and improve the performance of composite materials.

Application Fields

Electronic packaging materials (such as chip packaging, circuit board filling)
High-performance coatings and adhesives (enhance wear resistance and weather resistance)
Modification of ceramics and refractory materials
Lightweighting of aerospace composite materials
Additives for thermal conductive/insulating materials

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

Soft composite silicon micro powder can be classified into specifications and matched according to customer requirements based on the following characteristics:

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	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