Silicon Dioxid (SiO2) Granules

Silicon dioxide (SiO₂) granules are a highly valuable material with extensive applications. The appearance of Silicon Dioxide (SiO₂) Granules is a pure white or nearly transparent form, with uniform and regular particle sizes. Silicon Dioxide (SiO₂) Granules are typically processed through refined manufacturing techniques, ensuring excellent physical properties. Silicon Dioxide (SiO₂) Granules are chemically stable and rarely react with other substances at room temperature, allowing them to maintain performance in various complex environments.

From a microstructural perspective, the silicon-oxygen bonds within Silicon Dioxide (SiO₂) Granules form a stable network structure, endowing them with high hardness and good wear resistance. These properties make them highly effective as abrasives, capable of efficiently removing surface impurities and flaws from objects while experiencing minimal wear themselves. In the electronics industry, Silicon Dioxide (SiO₂) Granules, with their excellent insulating properties, serve as a superior dielectric material. They are used in critical components such as isolation layers during chip manufacturing, ensuring stable operation of electronic components and preventing failures like short circuits.

Additionally, SiO₂ granules exhibit excellent optical properties. Their unique light refraction and reflection characteristics make them suitable for manufacturing lenses, prisms, and other components in optical instruments, enhancing imaging quality and system stability. In the glass manufacturing industry, Silicon Dioxide (SiO₂) Granules serve as one of the primary raw materials. They combine with other components and melt at high temperatures to form glass with specific properties, widely used in construction, automotive, packaging, and other industries. The non-toxic and odorless nature of Silicon Dioxide (SiO₂) Granules also makes them suitable as additives or excipients in the food and pharmaceutical industries. They improve product physical properties or act as carriers without posing health risks, making them a safe, reliable, and widely applicable essential material.

Optical Properties:

SiO₂ granules exhibit exceptional transparency, with high light transmission across a broad spectrum ranging from ultraviolet (150 nm) to infrared (5 μm). This wide optical window makes them indispensable in precision optics, including lenses, prisms, and anti-reflective coatings. Their low thermal expansion coefficient further ensures stability in varying temperature conditions, preventing distortion in optical systems.

Electrical Properties:

With outstanding insulating capabilities, SiO₂ granules possess high dielectric strength and extremely low electrical conductivity. These properties are crucial in microelectronics, where they serve as gate dielectrics in transistors, interlayer insulators in integrated circuits, and protective coatings for semiconductor devices, ensuring reliable performance and preventing current leakage.

Thermal Properties:

SiO₂ granules have an exceptionally high melting point (~1,600°C), making them ideal for high-temperature processes such as chemical vapor deposition (CVD) and thermal oxidation in semiconductor fabrication. Their low thermal conductivity also aids in thermal insulation applications.

Chemical Stability:

Highly resistant to acids, alkalis, and organic solvents, SiO₂ granules provide durable protective coatings in harsh environments. This inertness ensures long-term stability in chemical processing equipment, corrosion-resistant coatings, and biomedical applications.

Mechanical Properties:

SiO₂ granules offer superior hardness (Mohs scale ~7) and wear resistance, making them suitable for protective films, abrasives, and reinforcing fillers in composites. Their mechanical robustness ensures extended durability in demanding industrial applications.

Optical Applications:
SiO₂ granules are widely used in optical coatings, including anti-reflective coatings, high-reflective coatings, and protective layers for optical components. They are also used in fiber optics and optical waveguides due to their low light absorption and high transparency across a broad wavelength range.

Electronics Industry:
In semiconductors and microelectronics, SiO₂ serves as an insulating layer, providing an effective dielectric barrier for integrated circuits.

Protective Coatings:
SiO₂ thin films can protect surfaces from corrosion, wear, and chemical damage.

Food & Pharmaceutical Uses:
SiO₂ granules act as anti-caking agents, anti-foaming agents, viscosity regulators, desiccants, and beverage clarifiers. They also serve as excipients in medicines and vitamins.

Other Applications:
In packaging materials, SiO₂ enhances the strength and gloss of coatings while improving pigment suspension. Additionally, it strengthens rubber and acts as an additive in adhesives and sealants.

FAQ

Are you a factory or manufacturer?

A: Yes, we are a factory but we generally use our trading company to handle the business abroad. It will be more convenient to receive the remittance and arrange the shipment.

What is the delivery method?

A: Generally, we send cargo by UPS, DHL or FedEx. Also, we can send by sea to seaport or by air to the closest airport.

Why is your product so cost-effective?

A: We cut out the middlemen in the end-to-end manufacturing process and we obtain raw material directly from its source.

Do you do spot quality inspection or full inspection?

A: 100% full inspection for sure. All unqualified products are discarded.

How do you ensure your lead time?

A: From material preparation to machining and finally to a full inspection. Every stage of production is strictly monitored and controlled to give you an accurate delivery time.

What is the MOQ of Silicon Dioxid (SiO2) Granules?

A: Depends on quantity, generally, no MOQ limit.

How to pay for it?

A: A bank transfer (T/T) will be acceptable.

What is the delivery time?

A: around 7-20 days which depends on the quantity and production.

What is kind of the package?

A: Generally, we use a carton case or plywood case with protective material inside to ensure the save of cargo

What is the lead time?

A: from order placed to cargo receiving will take around 10-25 days.

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