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 silicon dioxide sio2 hydrophilic fumed silica

Hydrophilic Fumed Silica– SiO Two Spec

Item Summary

This hydrophilic fumed silica is a high-purity type of silicon dioxide (SiO TWO). It appears as a fine, free-flowing white powder. The product is made via fire hydrolysis of silicon tetrachloride in a hydrogen-oxygen fire. This process develops nano-sized particles that develop loose aggregates and agglomerates.

Trick Residences

The silica has a particular surface area between 50 and 400 m ²/ g, gauged by the wager method. Its bulk density varies from 30 to 80 g/L. The item consists of at the very least 99.8% SiO ₂ by weight. Wetness web content stays below 1.5%. Loss on drying out at 105 ° C for 2 hours is usually under 2.0%. pH worth in a 4% liquid suspension falls in between 3.6 and 4.6.

This silica is without treatment and brings no surface area alteration. That makes it normally hydrophilic– it soaks up water easily and disperses well in polar systems like water-based formulations.

Typical Applications

Makers use this fumed silica as a thickening agent, anti-settling additive, or reinforcing filler. It functions well in paints, finishes, adhesives, sealants, and cosmetics. In liquid systems, it constructs viscosity and protects against pigment settling. In powders, it enhances circulation and quits caking.

Due to its high surface area and purity, it likewise offers in drugs and food-grade applications where strict quality control is required.

Handling and Storage space

Shop the product in a completely dry, awesome place in secured containers. Maintain it away from moisture and moisture. Use basic commercial health practices when managing– wear gloves, shatterproof glass, and a dirt mask if required. Stay clear of breathing dust.

Product packaging alternatives include multi-wall paper bags with polyethylene linings (10 kg or 20 kg) or big bags (500 kg). Customized product packaging is offered upon request.

Applications of silicon dioxide sio2 hydrophilic fumed silica

Applications of Hydrophilic Fumed Silica (Silicon Dioxide, SiO TWO)

Thickening and Rheology Control

Hydrophilic fumed silica is extensively utilized to change the circulation and thickness of fluids. It aids protect against settling of strong fragments in paints, layers, and adhesives. When added in percentages, it provides items a secure framework without changing their appearance.

Anti-Settling Representative

In fluid systems like inks or sealers, ingredients can sink or divide in time. Fumed silica stops this by creating a light network that holds fragments in position. This keeps the item attire throughout.

Free-Flow Help in Powders

Dry powders such as flavors, drugs, or toners typically glob with each other due to dampness. Adding a tiny quantity of hydrophilic fumed silica layers each fragment. This decreases sticking and allows the powder pour smoothly.

Matting Representative in Coatings

For a soft, non-shiny finish on surface areas, silicon dioxide is blended right into paints and varnishes. It scatters light uniformly, providing a constant matte look. This is common in furniture finishes and interior wall paints.

Support in Silicone Rubbers

In high-performance silicone items like kitchenware or medical tubes, fumed silica boosts strength and longevity. It makes the rubber much more adaptable and immune to tearing, also under stress and anxiety or heat.

Stabilizer in Cosmetics

Lots of lotions, creams, and makeup solutions make use of hydrophilic fumed silica to stay smooth and spreadable. It also assists soak up excess oil on the skin while maintaining active components uniformly combined.

This form of silicon dioxide functions well since it blends quickly with water-based systems. Its great fragments develop strong interactions without requiring extra chemicals. That makes it a dependable option across lots of day-to-day and industrial products.

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 silicon dioxide sio2 hydrophilic fumed silica

What is hydrophilic fumed silica?

Hydrophilic fumed silica is a fine white powder made from silicon dioxide (SiO₂). It is created by burning silicon tetrachloride in a flame. This process forms tiny particles that stick together into loose clusters. The surface of this silica attracts water, which makes it “hydrophilic.” It mixes well with water-based systems and is widely used as a thickener or anti-settling agent.

How does it work in liquids?

When added to liquids, hydrophilic fumed silica forms a network that holds the liquid in place. This gives the mixture more body without changing its clarity much. It prevents solid particles from sinking and stops oil and water from separating. You only need a small amount to get strong thickening results.

Is it safe to use?

Yes. Silicon dioxide is approved for use in many industries, including food, cosmetics, and pharmaceuticals. It is not toxic and does not react easily with other materials. Always follow safety guidelines when handling the dry powder to avoid breathing in fine dust.

What products use hydrophilic fumed silica?

You’ll find it in paints, adhesives, sealants, and coatings. It’s also used in toothpaste, lotions, and some medicines. In industrial settings, it helps control flow and stability in inks, greases, and resins. Its ability to thicken and suspend makes it useful wherever even texture matters.

How should it be stored?

Keep it in a dry, sealed container away from moisture. Since it absorbs water from the air, exposure to humidity can reduce its effectiveness. Store it in a cool place and use clean tools to avoid contamination. Proper storage keeps the powder free-flowing and ready to perform well when mixed.