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.

(Fumed Silica/Sio2)

Specification of Fumed Silica/Sio2

Fumed silica, also called silicon dioxide (SiO2), is a great white powder made via vapor-phase hydrolysis. It has high pureness and an one-of-a-kind framework. It functions well as a thickening agent, anti-settling additive, and support product in numerous sectors. The product’s specs cover physical residential or commercial properties, chemical composition, and performance features.

The look is a cosy white powder. It feels completely dry and has no noticeable particles. The pureness degree mores than 99.8%, with trace metals like iron, aluminum, and salt listed below 0.02%. This makes it ideal for high-end applications needing very little contamination. The surface varies from 50 to 400 m TWO/ g. A higher area improves thickening and improves stability in liquid systems.

Particle dimension is usually in between 5 and 50 nanometers. These small particles form a three-dimensional network. This network boosts thickness and protects against drooping in finishes or adhesives. Mass density is low, around 30– 60 g/L. This lightweight home helps reduce settling in powders or liquid mixes.

The pH level varies from 3.6 to 4.3 in water. This acidity help compatibility with polar solvents and resins. Wetness material is maintained listed below 1.5% to avoid clumping and maintain flowability. Loss on ignition (LOI) measures unpredictable web content, normally under 2.0%. This guarantees thermal security in high-temperature procedures.

Fumed silica stands up to water absorption and stays stable under UV exposure. It works in temperatures from -50 ° C to 250 ° C without damaging down. These qualities make it perfect for outdoor or harsh-environment applications.

Typical uses consist of finishes, adhesives, sealants, and elastomers. It enlarges paints, protects against leaking, and includes toughness to silicone products. In pharmaceuticals, it acts as a flow aid for powders. In cosmetics, it changes structure and takes in oils.

Handling needs treatment. Avoid breathing dirt– make use of masks and air flow. Store in completely dry, awesome locations away from wetness. Mix slowly to avoid air entrapment in liquid systems. Comply with security standards to make sure appropriate usage.

(Fumed Silica/Sio2)

Applications of Fumed Silica/Sio2

Fumed silica, or silicon dioxide (SiO2), is a great powder made by burning silicon tetrachloride in a flame. It has little particles with high area, making it helpful in many markets. Its primary duties include thickening, reinforcing, and stabilizing products.

In adhesives and sealants, fumed silica serves as a thickener. It quits the item from trickling or drooping during application. It likewise enhances toughness and toughness. This makes adhesives bond better to surface areas, also in tough conditions.

Coatings and paints use fumed silica to control circulation. It avoids settling of pigments, keeping colors even. It adds scrape resistance, assisting surface areas last longer. In outdoor coverings, it boosts resistance to weather and UV light.

Drugs depend on fumed silica as a flow representative. It quits powders from clumping, making tablets simpler to generate. It likewise lugs active components in some medicines, making sure also distribution.

Cosmetics like lotions and creams use fumed silica to change texture. It offers products a smooth feeling and protects against splitting up. In sunscreens, it assists spread out the product uniformly and boosts UV security.

Industrial applications consist of rubber and plastics. Fumed silica enhances rubber items, like tires, enhancing wear resistance. In plastics, it enhances heat security and mechanical strength.

The food sector utilizes fumed silica as an anti-caking representative. It keeps powdered products, like seasonings or consume alcohol blends, free-flowing. It is secure and does not influence preference.

Fumed silica works in batteries and electronics as well. It thickens electrolytes in lithium-ion batteries, enhancing performance. In electronics, it shields and shields parts from warm.

Its convenience comes from adjusting particle dimension and surface area therapy. This lets suppliers tailor residential properties for details needs. Fumed silica stays a vital product across industries as a result of its flexibility and performance benefits.

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 Fumed Silica/Sio2

Fumed silica is a fine white powder made of silicon dioxide. It is produced by burning silicon tetrachloride in a hydrogen-oxygen flame. The process creates tiny particles that form a lightweight, fluffy material. Fumed silica has a high surface area and is used mainly as a thickening agent, stabilizer, or reinforcing filler in products like paints, adhesives, and coatings.

What is fumed silica used for? Fumed silica acts as a thickening agent in liquids. It prevents settling in paints and coatings. It adds strength to silicone rubber products. It controls viscosity in adhesives and sealants. It improves texture in cosmetics like toothpaste. Its ability to absorb liquids makes it useful in pharmaceuticals and food products.

How is fumed silica different from precipitated silica? Fumed silica has a smaller particle size. It is made through a flame-based method. Precipitated silica uses a chemical reaction in liquid. Fumed silica has higher purity and better performance in thickening. Precipitated silica is cheaper but less effective in high-end applications. Both are forms of silicon dioxide but have distinct production processes and uses.

Is fumed silica safe to handle? Fumed silica can irritate lungs if inhaled as dust. Workers should wear masks and gloves. Proper ventilation is necessary in processing areas. Once mixed into products, it poses no health risks. Manufacturers follow safety guidelines to limit exposure. Always check safety data sheets for specific handling instructions.

Can fumed silica dissolve in water? Fumed silica does not dissolve in water. It disperses to form a gel-like substance. This property helps thicken water-based products. It remains suspended in liquids without dissolving. Heat or chemicals can break down its structure over time. Its insolubility makes it stable in many industrial applications.

What industries use fumed silica most? The construction industry uses it in cement and coatings. Automotive manufacturers add it to tires and rubber parts. Electronics rely on it for silicone sealants. Cosmetics use it for texture control. Pharmaceuticals employ it as an anti-caking agent. Its versatility makes it valuable across multiple sectors.

(Fumed Silica/Sio2)