Overview of Fumed Silica

Fumed silica, also known as pyrogenic silica, is an ultra-fine, high-purity amorphous silicon dioxide (SiO2) produced via the combustion of silicon tetrachloride in an oxygen-hydrogen flame. It appears as a fluffy white powder and is valued for its ability to thicken, stabilize, and reinforce materials.

Features of Fumed Silica

• High Surface Area: Typically ranges from 50 to 380 m²/g, providing excellent thickening and reinforcing properties.
• Hydrophilic or Hydrophobic Variants: Available in both forms depending on surface treatment, allowing for tailored applications.
• Excellent Thixotropy: Increases viscosity and improves flow properties of liquids and pastes.
• Chemical Inertness: Resistant to most chemicals, making it suitable for a wide range of industrial uses.

•  Enhances free-flowing properties and stability.

Specification of Factory direct s of SiO2 hydrophobic nano-silica powder fumed silica

Factory Straight Supply: Hydrophobic Nano-Silica Powder (Fumed Silica)

Product Review

Our hydrophobic nano-silica powder is a high-purity fumed silica made via flame hydrolysis. It has actually been surface-treated to fend off water, making it suitable for applications where moisture resistance is essential. This item is delivered directly from our manufacturing facility, making certain consistent top quality and affordable prices.

Secret Features

– Hydrophobic nature : Treated with silane substances to stand up to water absorption.
– Ultra-fine particle size : Main particles range from 7 to 40 nanometers, providing superb diffusion.
– High surface area : BET surface in between 50 and 400 m TWO/ g, sustaining solid thickening and anti-settling efficiency.
– Reduced mass thickness : Enhances flowability and ease of handling during handling.
– Thermal stability : Maintains performance at temperatures up to 300 ° C. Technical Specs

– Chemical formula : SiO ₂.
– Purity : ≥ 99.8%.
– Dampness content : ≤ 0.5%.
– pH value (in 4% dispersion): 3.6– 4.8.
– Loss on drying out (105 ° C, 2 hrs): ≤ 1.0%.
– Tamped thickness : 40– 120 g/L.

Common Applications

This hydrophobic fumed silica functions well in:.
– Paints and coatings– prevents sagging and resolving.
– Adhesives and sealers– controls thickness and boosts service life.
– Cosmetics– includes smooth texture and oil absorption.
– Plastics and rubber– boosts support and flow.
– Industrial powders– serves as a free-flow agent.

Product packaging & Handling

We pack the powder in 10 kg multi-layer paper bags with inner PE linings. Store in a dry, cool location. Maintain containers sealed when not being used to avoid moisture direct exposure. Use common industrial hygiene methods throughout handling.

Applications of Factory direct s of SiO2 hydrophobic nano-silica powder fumed silica

Applications of Factory-Direct Hydrophobic Nano-Silica Powder (Fumed Silica)

Enhanced Performance in Coatings and Paints

Hydrophobic nano-silica powder enhances scrape resistance and water repellency in paints and industrial coverings. It quits moisture from getting through the surface area. This maintains steel and wood safeguarded longer. The powder additionally aids control exactly how thick the paint is, so it spreads uniformly without trickling.

More Powerful Adhesives and Sealers

Adding this silica to adhesives makes them hold much better and last much longer. It offers structure to the adhesive so it does not droop or run. In sealers, it enhances versatility and maintains water out. That’s why it works well in construction and automotive sealing work.

Better Plastics and Rubber Products

Suppliers blend hydrophobic fumed silica into plastics and rubber to make them tougher. It helps these products handle warm and stress and anxiety without damaging down. The powder likewise quits dust and water from sticking to the surface, which serves for exterior gear and electronic casings.

Top Notch Inks and Toners

Printers utilize this silica in inks and printer toners to stop clumping. It keeps the fragments streaming smoothly inside equipments. The outcome is sharper prints and fewer paper jams. Its water-repelling characteristic likewise aids printed web pages remain tidy and dry.

Specialized Makes Use Of in Cosmetics and Drugs

In makeup, the powder absorbs oil without drying out skin. It provides a soft, matte surface to powders and foundations. In medicine, it helps tablets flow easily during production and keeps moisture away from delicate active ingredients. This makes certain products remain safe and efficient on the rack.

Company Introduction

Welcome to HiphopGalaxy, a trusted global supplier of high-quality silicon dioxide (SiO2) powder, renowned for its exceptional purity and performance. Established with a vision to deliver cutting-edge materials that meet the diverse needs of modern industries, we have positioned ourselves as a leading player in the international market.

Our SiO2 powders find applications across multiple sectors, including adhesives, coatings, pharmaceuticals, cosmetics, polymers, and electronics. Each application benefits from the unique properties of our products—high surface area, excellent thixotropy, chemical inertness, and superior reinforcement capabilities. Whether you need hydrophilic or hydrophobic variants, we offer tailored solutions to meet your specific requirements.

If you have any questions, please feel free to contact us(nanotrun@yahoo.com).

Payment Methods

T/T, Western Union, Paypal, Credit Card etc.

Shipment Methods

By air, by sea, by express, as customers request.

5 FAQs of Factory direct s of SiO2 hydrophobic nano-silica powder fumed silica

Frequently Asked Questions About Factory-Direct Hydrophobic Nano-Silica Powder

What is hydrophobic nano-silica powder?

This is a special type of fumed silica treated to repel water. It keeps moisture away while adding strength and stability to products like coatings, adhesives, and sealants.

How is your product different from regular fumed silica?

Regular fumed silica absorbs water. Our hydrophobic version has a surface treatment that blocks water. This makes it ideal for use in wet or humid environments without losing performance.

Why buy directly from the factory?

Buying direct cuts out middlemen. You get better prices, consistent quality, and faster support. We control every step—from production to packaging—so you know exactly what you’re getting.

What industries use this material?

Many industries rely on it. Paints and coatings use it for anti-settling and thickening. Adhesives and sealants use it to control flow and improve durability. It’s also used in cosmetics, electronics, and construction materials.

How should I store hydrophobic nano-silica powder?

Keep it in a dry, cool place. Use sealed containers to prevent exposure to moisture or dust. Even though it repels water, long-term contact with humidity may affect its flow and performance. Handle it in well-ventilated areas and follow standard safety practices for fine powders.