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 SiO2 Nano Silica dioxide Powder/fumed silica for /hydrophilic fumed silica

Hydrophilic Fumed Silica– SiO ₂ Nano Powder

Item Introduction

This item is a high-purity hydrophilic fumed silica made from silicon dioxide (SiO TWO). It appears as a fine, free-flowing white powder. The fragments are nano-sized and type chain-like accumulations. This framework provides the powder superb thickening, anti-settling, and enhancing buildings.

Secret Features

– High surface : Ranges from 50 to 400 m ²/ g, depending on quality
– Hydrophilic nature : Conveniently spreads in water and polar systems
– Reduced moisture content : Makes certain steady efficiency in numerous solutions
– Outstanding flowability : Assists with managing and blending throughout production

Technical Specs

– Chemical formula : SiO ₂.
– Pureness : ≥ 99.8%.
– Main particle size : 5– 40 nm.
– Bulk density : 30– 80 g/L.
– Loss on drying out (105 ° C, 2 hrs) : ≤ 1.5%.
– Ignition loss (1000 ° C) : ≤ 2.0%.
– pH worth (4% dispersion) : 3.6– 4.6.

Common Applications

Hydrophilic fumed silica is widely used across lots of markets. In paints and finishings, it prevents pigment settling and boosts scratch resistance. In adhesives and sealants, it regulates thickness and stops sagging. It also functions well in cosmetics, where it offers items a smooth appearance and aids soak up oil. In drugs, it serves as a circulation aid in powders and tablet computers. Rubber and plastic producers add it to improve strength and toughness.

Handling and Storage

Shop the powder in a completely dry, great place. Maintain containers sealed when not being used to prevent wetness absorption. Usage common industrial hygiene methods during handling. Put on gloves and a dust mask if large amounts are refined. Avoid producing air-borne dirt.

Applications of SiO2 Nano Silica dioxide Powder/fumed silica for /hydrophilic fumed silica

Applications of Hydrophilic Fumed Silica (SiO ₂ Nano Silica Dioxide Powder)

Enlarging and Anti-Settling Representative

Hydrophilic fumed silica jobs well as a thickener in fluids. It quits strong bits from sinking to the base. Paints, coatings, and adhesives remain consistent gradually because of this. The powder develops a light network inside the liquid, which waits in place without transforming the item’s appearance or performance.

Free-Flow Additive for Powders

Dry powders like seasonings, drugs, or pigments commonly clump together. Adding a percentage of hydrophilic fumed silica keeps them streaming efficiently. The small silica bits layer bigger grains and quit moisture from sticking them with each other. This makes handling, blending, and product packaging a lot easier.

Rheology Control in Sealants and Adhesives

Sealers and adhesives need the best thickness– they have to not drip but still spread conveniently. Hydrophilic fumed silica gives them that equilibrium. It assists these products hold their shape after application while enabling smooth dispensing from tubes or cartridges.

Matting Agent in Coatings

For a soft, non-shiny finish on surface areas, makers utilize hydrophilic fumed silica as a matting representative. Its fine bits spread light uniformly, reducing gloss without damaging longevity. This prevails in timber surfaces, auto paints, and indoor wall surface finishes.

Reinforcement in Silicone Rubbers

In room-temperature vulcanizing (RTV) silicone rubbers, hydrophilic fumed silica increases strength and tear resistance. It blends well into the base polymer and enhances mechanical properties without making the rubber tight or breakable.

Stabilizer in Cosmetics and Personal Treatment

Numerous lotions, lotions, and make-up products use hydrophilic fumed silica to maintain ingredients blended. It likewise gives a silky feeling on the skin and aids control oil. Because it is pure and risk-free, it fulfills strict requirements for use in individual care items.

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 SiO2 Nano Silica dioxide Powder/fumed silica for /hydrophilic fumed silica

What is hydrophilic fumed silica?

Hydrophilic fumed silica is a very fine powder made from silicon dioxide (SiO₂). It is created through a high-temperature process that produces tiny particles with a large surface area. This type of silica attracts water, which makes it mix well in water-based systems.

How does it work in products?

It acts as a thickening and anti-settling agent. When added to liquids, it forms a network that holds particles in place. This stops ingredients from sinking or separating. It also helps control flow and keeps textures smooth and stable.

Where is it commonly used?

You’ll find it in many everyday items. These include paints, coatings, adhesives, sealants, cosmetics, and some food-grade products. In each case, it improves consistency, shelf life, and performance without changing the product’s core function.

Is it safe to use?

Yes. Hydrophilic fumed silica is non-toxic and chemically inert. It has been reviewed and approved for use in many industries, including food and personal care. Always follow safety guidelines when handling the dry powder to avoid breathing in fine dust.

How much should I add to my formulation?

The right amount depends on your product. Most formulas use between 0.5% and 5% by weight. Start with a small amount and test how it affects thickness and stability. Too much can make the mixture too stiff or hard to stir.