Suoyi Silica Powder – A Crucial Basic Powder for High-Performance Inorganic Materials
2026-07-22
Silica Powder – A Crucial Basic Powder for High-Performance Inorganic Materials
Silica Powder Product Introduction
Silica powder generally refers to high-purity inorganic non-metallic powder materials with silicon dioxide (SiO₂) as the main component. Due to its excellent chemical stability, high-temperature resistance, low coefficient of thermal expansion, electrical insulation, and good optical properties, it is widely used in many high-tech fields such as advanced ceramics, electronic packaging, new energy, semiconductors, coatings, glass, and composite materials.
Silica powder generally refers to high-purity inorganic non-metallic powder materials with silicon dioxide (SiO₂) as the main component. Due to its excellent chemical stability, high-temperature resistance, low coefficient of thermal expansion, electrical insulation, and good optical properties, it is widely used in many high-tech fields such as advanced ceramics, electronic packaging, new energy, semiconductors, coatings, glass, and composite materials.
Based on the preparation process and purity requirements, silica powder can be classified into ordinary grade, high-purity grade, ultra-high-purity grade, nano-grade, and fused silica powder, etc., to meet the needs of different industrial applications for particle size, purity, and performance.
Silicon Oxide Powder: High-performance Functional Powder Material for Advanced Applications
1. Material Characteristics
Silicon oxide powder (SiO₂ powder) is a high-performance inorganic non-metallic powder material with excellent thermal stability, chemical resistance, electrical insulation properties, and low thermal expansion characteristics.
Due to its outstanding physical and chemical properties, silicon oxide powder has become an essential raw material in advanced ceramics, semiconductor packaging, electronic materials, energy storage, optical materials, and high-temperature applications.
Silicon oxide powder (SiO₂ powder) is a high-performance inorganic non-metallic powder material with excellent thermal stability, chemical resistance, electrical insulation properties, and low thermal expansion characteristics.
Due to its outstanding physical and chemical properties, silicon oxide powder has become an essential raw material in advanced ceramics, semiconductor packaging, electronic materials, energy storage, optical materials, and high-temperature applications.
| Item | Specifications |
| Chemical Composition | SiO₂ ≥ 99% / 99.9% / 99.99% |
| Appearance | White Powder |
| Particle Size | 10nm-10μm（Customizable） |
| Purity | High Purity, Ultra-High Purity |
| Crystal Form | Amorphous / Quartz Type |
| Packaging | 25kg/Bucket or custom-made |
Main Performance Characteristics of Silicon Oxide Powder
1. High Purity and Excellent Stability
High-purity silicon oxide powder has extremely low impurity content, meeting the stringent purity requirements of electronic, semiconductor, and precision ceramic fields.
High-purity silicon oxide powder has extremely low impurity content, meeting the stringent purity requirements of electronic, semiconductor, and precision ceramic fields.
Features:
★High SiO₂ content
★Low metallic impurities
★Good batch stability
★Chemically stable
2. Excellent High-Temperature Resistance
★High SiO₂ content
★Low metallic impurities
★Good batch stability
★Chemically stable
2. Excellent High-Temperature Resistance
Silicon oxide has a high melting point and thermal stability, maintaining structural stability even at high temperatures. It is widely used in refractory materials, high-temperature ceramics, and thermal protection materials.
Application Advantages:
★High-temperature oxidation resistance
★Good thermal shock resistance
★Long service life
★High-temperature oxidation resistance
★Good thermal shock resistance
★Long service life
3. Good electrical insulation properties
SiO₂ is a typical insulating material with high dielectric strength and low dielectric loss, making it an important insulating and packaging material in the electronics industry.
SiO₂ is a typical insulating material with high dielectric strength and low dielectric loss, making it an important insulating and packaging material in the electronics industry.
Application areas:
★Semiconductor packaging
★Integrated circuit insulating layer
★Electronic ceramic substrate
★Semiconductor packaging
★Integrated circuit insulating layer
★Electronic ceramic substrate
4. Low coefficient of thermal expansion
Silicon oxide powder has low thermal expansion characteristics, which can effectively improve the dimensional stability of composite materials and reduce structural stress caused by temperature changes.
Silicon oxide powder has low thermal expansion characteristics, which can effectively improve the dimensional stability of composite materials and reduce structural stress caused by temperature changes.
Main application areas of silicon oxide powder
1. Semiconductor and electronic packaging
High-purity silicon oxide powder is an important basic material in the electronics industry and can be used for:
High-purity silicon oxide powder is an important basic material in the electronics industry and can be used for:
★Epoxy molding compound (EMC) filler material
★Semiconductor packaging material
★IC packaging substrate
★Electronic insulating material
Its low thermal expansion, high insulation, and high purity characteristics can improve the reliability of electronic devices.
★Electronic insulating material
Its low thermal expansion, high insulation, and high purity characteristics can improve the reliability of electronic devices.
2. Advanced ceramic materials
Silicon oxide powder can be used as an important additive in ceramic materials to improve material performance.
Silicon oxide powder can be used as an important additive in ceramic materials to improve material performance.
Applications:
★ Precision Ceramics
★ Structural Ceramics
★ Ceramic Matrix Composites
★ Wear-Resistant Ceramics
Improvements in Ceramic Materials:
Improvements in Ceramic Materials:
★ Sintering Performance
★ Mechanical Strength
★ Thermal Stability
3. New Energy Field
With the development of the new energy industry, silica powder has received increasing attention in the field of battery materials.
Main Applications:
★ Silicon-based Anode Materials for Lithium-ion Batteries
★ Battery Composite Additives
★ Energy Storage Materials
Silica materials can provide higher theoretical capacity and improve battery cycle performance.
Silica materials can provide higher theoretical capacity and improve battery cycle performance.
4. Photovoltaic and Optical Materials
High-purity silica powder is used in:
High-purity silica powder is used in:
★ Photovoltaic Glass
★ Quartz Glass
★ Optical Devices
★ Fiber Optic Materials
Its high light transmittance and chemical stability make it an important material in the optoelectronics industry.
Its high light transmittance and chemical stability make it an important material in the optoelectronics industry.
5. Coatings and Surface Treatment
Nano-silica powder has a large specific surface area and can be used for:
Nano-silica powder has a large specific surface area and can be used for:
★ Wear-Resistant Coatings
★ Anti-corrosion Coatings
★ Hydrophobic Coatings
★ Functional Composite Coatings
Improving the surface hardness, weather resistance, and corrosion resistance of materials.
Improving the surface hardness, weather resistance, and corrosion resistance of materials.
Future Development Trends of Silica Powder
With the rapid development of the semiconductor, new energy, and advanced manufacturing industries, the market demand for high-performance silica powder continues to grow.
Future development directions include:
1. Nano-silica, with its high specific surface area and excellent surface activity, will play a greater role in composite materials and electronic materials.
2. High-purity development. The semiconductor industry's increasing demand for ultra-high purity SiO₂ is driving the development of material purity towards 99.999% and above.
3. Functionalization development. Through surface modification and composite technologies, silica powder will achieve new applications in new energy, intelligent manufacturing, and high-end ceramics.
1. Nano-silica, with its high specific surface area and excellent surface activity, will play a greater role in composite materials and electronic materials.
2. High-purity development. The semiconductor industry's increasing demand for ultra-high purity SiO₂ is driving the development of material purity towards 99.999% and above.
3. Functionalization development. Through surface modification and composite technologies, silica powder will achieve new applications in new energy, intelligent manufacturing, and high-end ceramics.
As an important advanced inorganic material, silica powder, with its high purity, high stability, excellent insulation, and high-temperature resistance, has become an indispensable basic material in modern industry.
From semiconductor chips to new energy batteries, from advanced ceramics to optical materials, silica powder is driving the development of multiple high-tech industries. In the future, with continuous upgrades in materials technology, high-performance silica powder will demonstrate greater application value in even more fields.
Silicon Oxide Powder | Silicon Dioxide Powder | High-purity SiO₂ | Nano-silicon oxide | Semiconductor materials | Advanced ceramic materials | New energy materials | Electronic packaging materials
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