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 fumed silica 200

Requirements of Fumed Silica 200

Item Introduction

Fumed Silica 200 is a high-purity artificial amorphous silica made via flame hydrolysis. It appears as a penalty, white powder with exceptional thickening, anti-settling, and strengthening residential or commercial properties. This grade is extensively used in coverings, adhesives, sealers, and composite materials.

Secret Physical and Chemical Features

The main part is silicon dioxide (SiO ₂), with a minimal purity of 99.8%. Its particular area, measured by wager approach, ranges from 190 to 230 m TWO/ g. The mass density drops in between 40 and 70 g/L, while the tapped thickness has to do with 100 to 150 g/L. Moisture content remains listed below 1.5% when evaluated at 105 ° C for two hours. The pH worth in a 4% liquid diffusion is commonly in between 3.6 and 4.6, suggesting minor acidity.

Efficiency Characteristics

Fumed Silica 200 supplies strong thixotropic behavior. It aids stop pigment settling in paints and improves droop resistance in vertical applications. In adhesives and sealers, it enhances thickness control without jeopardizing clarity or mechanical strength. The powder disperses well under correct mixing conditions and kinds secure networks that support structure retention over time.

Handling and Storage space

Store Fumed Silica 200 in a completely dry, trendy place. Keep containers secured when not being used to prevent wetness absorption. Usage basic industrial hygiene methods throughout handling– put on gloves, eye protection, and a dirt mask to decrease inhalation or skin contact. Stay clear of developing air-borne dirt. Clean spills instantly utilizing dry methods to stop sliding dangers.

Packaging

The item is available in multi-wall paper bags lined with polyethylene film. Common web weight per bag is 10 kg. Custom-made product packaging choices are available upon request to fulfill details logistical or handling requirements.

Applications of fumed silica 200

Applications of Fumed Silica 200

Thickening and Anti-Settling Representative

Fumed silica 200 functions well as a thickener in numerous fluid systems. It assists stop strong bits from sinking to the bottom. Paints, finishings, and adhesives remain steady gradually because of this. The product offers a smooth structure without changing the color or clarity of the final mix.

Rheology Control in Sealants and Adhesives

In sealants and adhesives, fumed silica 200 controls circulation habits. It stops the product from trickling after application. This makes it much easier to apply uniformly on upright surface areas. Employees get better outcomes with much less mess. The bond strength remains solid while dealing with enhances.

Support in Silicone Rubbers

Fumed silica 200 adds strength to silicone rubber items. It improves tear resistance and tensile stamina. These rubbers are used in clinical devices, kitchenware, and commercial parts. The silica keeps the rubber versatile yet a lot harder under tension.

Free-Flow Agent in Powders

Dry powders like seasonings, detergents, or drugs typically glob together. Including a percentage of fumed silica 200 stops this. Each fragment stays different, so the powder pours easily. Individuals obtain regular dosing and blending every time.

Matting Representative in Coatings

For a soft, non-shiny finish, fumed silica 200 is contributed to paints and varnishes. It spreads light equally throughout the surface. This develops a consistent matte look that many customers choose. The layer still shields well and lasts long.

Stabilizer in Greases and Lubricants

Greases need to hold their form but spread when needed. Fumed silica 200 aids them do both. It maintains oil from dripping out and keeps structure at heats. Machinery runs smoother with less maintenance.

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 200

What is Fumed Silica 200?

Fumed Silica 200 is a very fine white powder made from silicon dioxide (SiO₂). It forms when silicon tetrachloride burns in a flame of hydrogen and oxygen. This process creates tiny particles that clump together into a light, fluffy material. People use it to thicken liquids, stop powders from caking, and improve the strength of many products.

How does Fumed Silica 200 work as a thickener?

When you mix Fumed Silica 200 into liquids like paints, adhesives, or resins, its particles form a loose network. This network holds the liquid in place and makes it thicker without changing its color or clarity. The thickening effect happens fast and works well even with small amounts of silica.

Is Fumed Silica 200 safe to handle?

Fumed Silica 200 is not toxic, but you should still be careful. Breathing in the fine dust may irritate your lungs. Always wear a mask, gloves, and safety glasses when handling it. Keep it in a dry, sealed container away from moisture to avoid clumping.

Can Fumed Silica 200 be used in food or medicine?

No. Fumed Silica 200 is made for industrial uses only. It is not approved for food, drugs, or anything that goes inside the body. Other types of silica are used in those areas, but this grade is meant for coatings, sealants, rubber, and similar products.

How should I store Fumed Silica 200?

Store Fumed Silica 200 in a cool, dry place. Keep the bag or container tightly closed. Moisture makes it sticky and hard to mix later. If the package gets wet or damaged, do not use the material. Always check the label for the expiration date and follow the manufacturer’s instructions.