Silicon Dioxide: A Multi-Purpose Industrial Material
Major Application Fields
Multi-Purpose Features to Meet Diverse Needs
1. Glass Manufacturing
Silicon dioxide is one of the main raw materials for glass manufacturing. When melted at high temperatures, it forms glass with good transparency and mechanical strength. By adjusting the content of silicon dioxide and the proportions of other components, different types of glass can be produced, such as flat glass, optical glass, and special glass. These glasses are widely used in construction, automotive, electronics, and optical instruments.
2. Ceramic Production
In the ceramic industry, silicon dioxide is an important raw material. It can improve the mechanical properties and thermal stability of ceramics, enhance their hardness and wear resistance, and also regulate the sintering temperature of ceramics, allowing them to form better at high temperatures. Ceramic products are widely used in architectural decoration, electronic components, and industrial equipment.
3. Rubber and Plastic Industries
Silicon dioxide is commonly used as a filler and reinforcing agent in the rubber and plastic industries. It can improve the mechanical strength, wear resistance, and heat resistance of rubber and plastics, while also improving their processing properties. For example, in tire manufacturing, silicon dioxide can enhance the grip and wear resistance of tires, extending their service life. Additionally, silicon dioxide can be used to produce high-performance plastic composites, which are widely used in automotive, aerospace, and electronics.
4. Coatings and Paints Industry
Silicon dioxide has important applications in the coatings and paints industry. It can be used as a filler and pigment dispersant to improve the covering power and adhesion of coatings, while also improving their leveling and gloss. Moreover, silicon dioxide can enhance the weather resistance and chemical corrosion resistance of coatings, allowing them to maintain good performance in harsh environments. Coating products are widely used in construction, automotive, and industrial equipment.
5. Other Applications
Silicon dioxide can also be used in other fields. For example, in the electronics industry, it can be used as an insulating layer for semiconductor materials; in the food industry, it can be used as an anti-caking agent and stabilizer; and in the pharmaceutical field, it can be used as a filler and controlled-release agent for tablets.
1. Glass Manufacturing
Silicon dioxide is one of the main raw materials for glass manufacturing. When melted at high temperatures, it forms glass with good transparency and mechanical strength. By adjusting the content of silicon dioxide and the proportions of other components, different types of glass can be produced, such as flat glass, optical glass, and special glass. These glasses are widely used in construction, automotive, electronics, and optical instruments.
2. Ceramic Production
In the ceramic industry, silicon dioxide is an important raw material. It can improve the mechanical properties and thermal stability of ceramics, enhance their hardness and wear resistance, and also regulate the sintering temperature of ceramics, allowing them to form better at high temperatures. Ceramic products are widely used in architectural decoration, electronic components, and industrial equipment.
3. Rubber and Plastic Industries
Silicon dioxide is commonly used as a filler and reinforcing agent in the rubber and plastic industries. It can improve the mechanical strength, wear resistance, and heat resistance of rubber and plastics, while also improving their processing properties. For example, in tire manufacturing, silicon dioxide can enhance the grip and wear resistance of tires, extending their service life. Additionally, silicon dioxide can be used to produce high-performance plastic composites, which are widely used in automotive, aerospace, and electronics.
4. Coatings and Paints Industry
Silicon dioxide has important applications in the coatings and paints industry. It can be used as a filler and pigment dispersant to improve the covering power and adhesion of coatings, while also improving their leveling and gloss. Moreover, silicon dioxide can enhance the weather resistance and chemical corrosion resistance of coatings, allowing them to maintain good performance in harsh environments. Coating products are widely used in construction, automotive, and industrial equipment.
5. Other Applications
Silicon dioxide can also be used in other fields. For example, in the electronics industry, it can be used as an insulating layer for semiconductor materials; in the food industry, it can be used as an anti-caking agent and stabilizer; and in the pharmaceutical field, it can be used as a filler and controlled-release agent for tablets.
Specifications
| Product Name | Silicon Dioxide | |||||||||
| MF | SiO₂ | |||||||||
| Appearance | White powder | |||||||||
| Purity | 99% | |||||||||
| CAS NO | 7631-86-9 | |||||||||
| HS Code | 2811221000 | |||||||||
| EINECS NO | 231-545-4 | |||||||||
| Application | Silicon dioxide is used in glass, ceramics, electronics, construction, etc. | |||||||||
Quality Control Sheet
| Product Name | Silicon Dioxide | ||||||
| ITEM | STANDARD | TEST RESULT | |||||
| Silicon Dioxide (SiO₂) Content | ≥95%~99.9% | 98.00% | |||||
| Loss on Ignition (105℃) | ≤1.0%~7.0% | ≤7.0% | |||||
| pH Value (5% suspension) | 3.5~9.0 | 4.5 | |||||
| Specific Surface Area | 50~400 m²/g | 150-300 m²/g | |||||
| Particle Size Distribution | D50: 1~50 μm | 1~50 μm | |||||
| Whiteness (≥) | 90% (food grade) | 90% (food grade) | |||||
Packaging and Storage
Silicon dioxide is packaged in sealed containers to ensure it remains dry and uncontaminated during transportation and storage. It should be stored in a cool, dry, and well-ventilated warehouse, away from strong corrosive substances such as acids and alkalis. During storage, attention should be paid to moisture prevention and high-temperature avoidance to ensure the stability and safety of the product.








