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.

(Silica fume for refractory materials Micro-silica fume for insulation materials Grey powder microsilica powder)

Specification of Silica fume for refractory materials Micro-silica fume for insulation materials Grey powder microsilica powder

This grey silica fume powder is developed for requiring refractory and insulation applications. It uses high efficiency features important for quality products. The powder is very fine, nearly like smoke. This great bit size enables it to fill small gaps effectively.

For refractory producers, this microsilica provides considerable benefits. It greatly enhances the stamina of refractory mixes. The material enhances resistance to extreme warmth. It aids bind components together better. It enhances the flow buildings of mixes prior to establishing. This causes denser, much more durable refractory items capable of handling rough conditions.

Insulation material manufacturers benefit similarly. The microsilica serves as an effective filler. It adds to developing light-weight, efficient thermal obstacles. Its fine nature assists achieve lower thermal conductivity in the final insulation product. This enhances energy efficiency. It reacts well within cementitious insulation systems, developing a solid matrix.

The product specification is specific. It looks like a consistent grey powder. The silicon dioxide (SiO2) web content is continually high, commonly going beyond 90%. Dampness web content is maintained extremely low, typically under 1.5%. Fragment size is firmly regulated, guaranteeing most bits are smaller sized than 45 microns. Mass density is foreseeable, making batching exact. Packaging is versatile, readily available in resilient bags or bulk containers.

(Silica fume for refractory materials Micro-silica fume for insulation materials Grey powder microsilica powder)

Applications of Silica fume for refractory materials Micro-silica fume for insulation materials Grey powder microsilica powder

Silica fume is an essential product for making high-performance refractories. It is an ultra-fine powder. This powder is mainly pure silicon dioxide. Refractory manufacturers include microsilica to their mixes. The small particles fill voids between larger grains. This makes the mix pack tighter. The result is a much denser structure after firing. Dense refractories stand up to warmth penetration better. They also gain significant strength. Microsilica assists form strong ceramic bonds at heats. This improves the material’s ability to handle thermal shock. Refractories remain secure longer under rough problems. Furnace cellular linings and kiln furnishings benefit significantly.

Microsilica likewise boosts insulation materials. Its great bits produce complicated courses for heat. Heat travels slower through these complex courses. Adding microsilica to castables or boards reduces thermal conductivity. This indicates far better warmth retention inside heating systems. Much less power gets away. Power prices drop. The product still needs great mechanical residential properties. Microsilica assists achieve this balance. It strengthens the insulation matrix. The insulation remains strong sufficient for its work. It doesn’t fall apart easily.

The grey powder form is the typical kind available. This grey shade originates from all-natural pollutants. The grey powder functions perfectly well for a lot of refractory and insulation usages. Quality control ensures constant fragment size and chemistry. Producers depend on this uniformity. Batch after batch executes reliably. Silica fume delivers necessary properties. Refractories last much longer. Insulation saves energy. Both applications depend on this great grey powder.

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 Silica fume for refractory materials Micro-silica fume for insulation materials Grey powder microsilica powder

People often ask what silica fume is. Silica fume is a super fine powder. It comes from making silicon metal or ferrosilicon alloys. Factories collect it from furnace exhaust gases. It’s mostly very pure silicon dioxide.

Another common question is why use silica fume in refractory materials. Silica fume makes refractories much stronger. It fills tiny spaces between bigger particles. This creates a very dense structure. Dense refractories resist heat and chemicals better. They last longer in tough conditions.

Many want to know about micro-silica fume for insulation materials. Adding micro-silica improves insulation performance. It reduces heat movement through the material. This makes high-temperature insulation more efficient. Less heat escapes, saving energy.

People also ask about grey powder microsilica powder. The grey color is normal. It comes from trace carbon in the material. This grey powder is usually densified. Densified powder is easier to handle and ship. It flows better than undensified fume. Its performance in refractories remains excellent.

Safety is a frequent concern. Is silica fume safe to handle? Like any fine powder, care is needed. Avoid breathing in the dust. Use proper dust masks and ventilation. Keep skin contact minimal. Follow the supplier’s safety instructions carefully. Store it in a dry place.

(Silica fume for refractory materials Micro-silica fume for insulation materials Grey powder microsilica powder)