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.

(Concrete Admixtures Microsilica Silica Fume CAS No. 69012-64-2 Silica Fume for Concrete)

Specification of Concrete Admixtures Microsilica Silica Fume CAS No. 69012-64-2 Silica Fume for Concrete

Microsilica silica fume is a really fine powder. Its CAS number is 69012-64-2. This material is a concrete admixture. It considerably enhances concrete performance. The fragments are exceptionally little. They are a lot smaller sized than cement bits. This great dimension loads the small rooms in between concrete grains. It makes the concrete much denser. Denser concrete is stronger concrete.

Adding silica fume considerably increases concrete’s compressive toughness. It makes concrete a lot harder. The concrete additionally ends up being far less porous. Water and dangerous chemicals can not penetrate as conveniently. This protects the concrete from damages. Concrete lasts longer with silica fume. It resists attack from chemicals like chlorides or sulfates. It also holds up against freeze-thaw cycles much better.

Silica fume improves the bond in between concrete and reinforcing steel. This bond is critical for structural honesty. The steel is much less most likely to corrode. Wearing away steel triggers concrete to crack and spall. Silica fume aids stop this. It lowers the threat of very early degeneration.

The material is a pozzolan. It reacts with calcium hydroxide in concrete. This response creates even more helpful binder. The concrete becomes more natural. It is much less most likely to bleed water. Hemorrhaging causes weak layers on the surface. Silica fume decreases this problem. Positioning and completing concrete is usually simpler.

Concrete with silica fume sets quicker occasionally. Workers need to take notice of timing. Mixing calls for mindful water control. The concrete mix could appear tight originally. Appropriate blending ensures excellent workability. Superplasticizers are usually made use of along with silica fume. They assist maintain the required flow.

This admixture is used popular applications. Skyscrapers require strong concrete. Bridges need long lasting products. Marine frameworks face deep sea rust. Repair jobs take advantage of its bonding toughness. Industrial floorings endure hefty wear. Silica fume makes concrete execute better in these tough conditions. It is a vital active ingredient for high-performance concrete.

(Concrete Admixtures Microsilica Silica Fume CAS No. 69012-64-2 Silica Fume for Concrete)

Applications of Concrete Admixtures Microsilica Silica Fume CAS No. 69012-64-2 Silica Fume for Concrete

Microsilica admixtures boost concrete considerably. Microsilica is really fine silica fume. Its CAS number is 69012-64-2. Home builders add it to concrete blends. This powder makes concrete a lot stronger. The concrete gains higher compressive toughness. It gains far better flexural strength also. This occurs because microsilica bits fill tiny spaces. They respond with cement paste. The result is a denser concrete matrix.

Denser concrete obstructs water much better. Microsilica reduces permeability. Water can not go through as conveniently. Harmful chemicals likewise have a hard time to enter. This protects reinforcing steel inside. Steel corrosion is a major problem. Microsilica helps prevent this. It stops chloride ions from getting to the steel. This is essential for frameworks near saltwater. Bridges and aquatic frameworks benefit substantially.

Microsilica also boosts concrete longevity. It makes concrete extra immune to chemical assault. Acids and sulfates cause less damages. Abrasion resistance improves too. Floorings and sidewalks last longer. Surface areas stand up to heavy wear. The concrete gains much better freeze-thaw resistance. Water development throughout freezing causes less fracturing. This is essential in cool environments.

The material boosts bond toughness as well. Concrete sticks much better to strengthening steel. Concrete sticks much better to old concrete surface areas. This is essential for fixings and overlays. Microsilica decreases bleeding in fresh concrete. Water splitting up decreases. Finishing operations become much easier. Home builders accomplish smoother surface areas.

Microsilica reduces efflorescence capacity. Unsightly white salt down payments show up much less often. This keeps the concrete’s appearance. High-performance concrete frequently uses microsilica. So does shotcrete and refractory concrete. Its usage creates tougher, longer-lasting concrete structures.

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 Concrete Admixtures Microsilica Silica Fume CAS No. 69012-64-2 Silica Fume for Concrete

What is microsilica or silica fume? Microsilica is a very fine powder. It comes from making silicon metal. Its CAS number is 69012-64-2. It has tiny particles. These particles are much smaller than cement. It is mostly silicon dioxide.

Why use microsilica in concrete? It makes concrete much stronger. It fills tiny gaps between cement grains. This creates a denser mix. Denser concrete blocks water better. It also resists chemicals better. So structures last longer.

How does microsilica boost concrete strength? It reacts with calcium hydroxide in concrete. This reaction forms extra binding material. The small particles pack tightly together. This reduces empty spaces. So the concrete gets harder over time.

What amount of microsilica is needed? Use 5% to 10% by weight of cement. Too little gives small improvements. Too much makes concrete stiff. Then it is hard to pour. Always test your mix first.

Are there safety steps with microsilica? Yes. The powder is very fine. It can float in the air. Workers need proper masks. Avoid breathing the dust. Also, microsilica reduces concrete workability. Add a superplasticizer. This keeps the mix easy to handle. Store bags in a dry place. Moisture ruins the powder.

(Concrete Admixtures Microsilica Silica Fume CAS No. 69012-64-2 Silica Fume for Concrete)