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 Hydrophilic and Hydrophobic Fumed Silica 99% Sio2 Content Fine White Fumed Precipitated Silica Powder for Rubber

Hydrophilic and Hydrophobic Fumed Silica– 99% SiO Two Penalty White Powder for Rubber

Pure and Reliable Reinforcement

This fumed silica powder contains 99% pure silicon dioxide (SiO TWO). It appears as a fine, white, free-flowing powder. The product is used innovative fumed procedures, offering it high surface area and strong reinforcing power. It functions well in rubber substances to improve strength, tear resistance, and sturdiness.

Two Surface Types for Different Requirements

We provide both hydrophilic and hydrophobic versions. The hydrophilic type mixes easily with polar materials and takes in moisture from the air. The hydrophobic variation is treated to fend off water, making it steady in humid conditions and suitable with non-polar rubber systems like silicone or EPDM. Pick the right type based upon your rubber solution and processing environment.

Trick Advantages in Rubber Applications

Adding this silica to rubber helps control viscosity during mixing and shaping. It avoids sagging in uncured compounds and supports much better diffusion of various other ingredients. The result is smoother handling, fewer problems, and constant product top quality. It also boosts mechanical performance– rubber parts come to be tougher and last longer under stress and anxiety or repeated use.

Trusted Quality and Uniformity

Every set satisfies rigorous quality standards. Fragment size, surface, and purity are tightly managed. This guarantees foreseeable behavior in your production line. The powder streams freely, blends evenly, and does not clump when saved properly in completely dry conditions.

Easy to Utilize and Handle

The great fragment dimension enables fast unification into rubber mixes using conventional tools. No special handling is needed past standard dust control. Shop in secured containers away from moisture to preserve efficiency, especially for the hydrophilic quality.

Applications of Hydrophilic and Hydrophobic Fumed Silica 99% Sio2 Content Fine White Fumed Precipitated Silica Powder for Rubber

Applications of Hydrophilic and Hydrophobic Fumed Silica in Rubber

Why Fumed Silica Matters for Rubber Products

Fumed silica with 99% SiO two material is a great white powder utilized to boost rubber efficiency. It comes in 2 main kinds: hydrophilic and hydrophobic. Both kinds include strength, stability, and sturdiness to rubber compounds.

Hydrophilic fumed silica blends well with polar products. It functions finest in natural rubber, styrene-butadiene rubber (SBR), and nitrile rubber (NBR). This kind enhances tensile strength and tear resistance. It additionally aids control viscosity throughout handling. That makes rubber simpler to shape and mold and mildew without losing quality.

Hydrophobic fumed silica fends off water. It is treated with special agents to stand up to dampness. This version suits non-polar rubbers like EPDM and silicone rubber. It keeps rubber steady in damp or humid conditions. It likewise boosts circulation and dispersion in the mix. That leads to smoother surfaces and more consistent components.

Both types work as enhancing fillers. They assist rubber hold its shape under stress and anxiety. They minimize wear and extend product life. Common usages consist of automobile seals, pipes, belts, gaskets, and commercial rollers. Footwear soles and cable insulation also take advantage of these additives.

Makers pick fumed silica since it uses precise control over rubber residential properties. The powder blends evenly and does not glob. It sustains high-performance requirements without including hefty weight. Its pureness (99% SiO ₂) makes certain no unwanted reactions throughout treating.

In other words, hydrophilic and hydrophobic fumed silica provide rubber makers trusted devices to fulfill tough demands. Each type addresses different challenges based upon the rubber system and end-use setting.

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 Hydrophilic and Hydrophobic Fumed Silica 99% Sio2 Content Fine White Fumed Precipitated Silica Powder for Rubber

Frequently Asked Questions About Hydrophilic and Hydrophobic Fumed Silica for Rubber

What is fumed silica used for in rubber?

Fumed silica strengthens rubber. It improves tear resistance, tensile strength, and durability. It also helps control viscosity during processing. This makes rubber easier to mix and shape.

What is the difference between hydrophilic and hydrophobic fumed silica?

Hydrophilic fumed silica attracts water. It works well in systems that need moisture absorption or where water is present. Hydrophobic fumed silica repels water. It is treated with special chemicals so it stays dry in wet environments. Choose based on your rubber’s exposure to moisture.

Why does purity matter?

This product contains 99% SiO₂. High purity means fewer impurities. Fewer impurities lead to better performance in rubber. It ensures consistent results and avoids unwanted reactions during curing or mixing.

How fine is this silica powder?

The powder is very fine and white. Its small particle size gives a large surface area. This helps it bond well with rubber molecules. Better bonding means stronger reinforcement and smoother processing.

Can I use both types in the same rubber compound?

Yes, but only if your application needs both properties. Mixing them may affect how the rubber behaves. Test small batches first. Make sure the combination meets your performance and processing goals. Always check compatibility before full-scale production.