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 China Factory Silicon Dioxide Nano Hydrophobic Fumed Silica 300 IOTA HB4300

China Manufacturing Facility Silicon Dioxide Nano Hydrophobic Fumed Silica 300 SPECK HB4300

Product Review

Silicon Dioxide Nano Hydrophobic Fumed Silica 300 SCRAP HB4300 is a high-performance, surface-treated fumed silica made in China. It offers excellent water resistance and strong thickening power. This item is extensively used in coatings, adhesives, sealants, and specialty chemicals where moisture protection and stable thickness are required.

Trick Includes

– Hydrophobic surface area: Treated with dimethyldichlorosilane to ward off water properly.
– High pureness: Has over 99.8% SiO ₂ with minimal contaminations.
– Nano particle size: Key particles measure around 7– 15 nm for remarkable diffusion.
– Strong anti-settling ability: Aids keep pigments and fillers equally put on hold.
– Good circulation control: Prevents sagging in upright applications without harming workability.

Technical Specifications

– Appearance : Free-flowing white powder
– Specific surface (BET) : 280– 320 m ²/ g.
– Loss on drying (105 ° C, 2h) : ≤ 1.5%.- Ignition loss (1000 ° C, 2h) : 12– 18%.
– pH value (4% diffusion) : 3.6– 4.6.
– Mass density : 40– 80 g/L.
– Wetness content : ≤ 0.5%.

Handling and Storage space

Store this item in a completely dry, amazing area far from wetness. Maintain the container securely closed when not in use. Use typical commercial hygiene methods throughout handling. Avoid breathing dirt. Use gloves and safety glasses as required.

Applications

This hydrophobic fumed silica functions well in:.
– Industrial and auto finishes.
– Epoxy and polyurethane adhesives.
– RTV silicone sealers.
– Powder layers and inks.
– Cosmetics and individual treatment solutions requiring oil absorption and matte finish.

Manufactured under rigorous quality control, IOTA HB4300 satisfies worldwide standards for efficiency and uniformity. It delivers reputable outcomes batch after batch.

Applications of China Factory Silicon Dioxide Nano Hydrophobic Fumed Silica 300 IOTA HB4300

Applications of China Manufacturing Facility Silicon Dioxide Nano Hydrophobic Fumed Silica 300 SMIDGEN HB4300

Enhanced Efficiency in Coatings and Paints

Silicon dioxide nano hydrophobic fumed silica 300 SPECK HB4300 greatly improves the top quality of finishes and paints. It stops liquids from taking in. Water beads up and rolls off the surface. This maintains walls, roof coverings, and exterior structures cleaner for longer. The product likewise helps protect against cracking and peeling triggered by dampness.

More Powerful Adhesives and Sealers

When contributed to adhesives and sealants, this fumed silica boosts thickness without making them also tight. It offers far better control during application. The last bond remains strong also in wet or moist problems. Contractors and manufacturers rely upon it for durable seals in washrooms, windows, and commercial joints.

Trusted Use in Electronics

Electronics require protection from dust and moisture. SCRAP HB4300 kinds a slim, invisible shield on circuit card and elements. It does not interfere with electric signals. At the very same time, it obstructs water and contaminants. This makes gadgets extra resilient and more secure to utilize in challenging settings.

Effective Additive in Plastics and Rubber

Plastic and rubber items get additional resistance when combined with this silica. It assists them repel water and stand up to wear. Things like gaskets, hose pipes, and exterior furnishings last much longer. The additive also mixes well without altering the base color or appearance of the material.

Counted On Construction Materials

Concrete, concrete, and grouts gain from this hydrophobic silica. It reduces water absorption, which decreases the threat of freeze-thaw damages. Frameworks stay stronger in time. Service providers utilize it to meet high sturdiness standards in bridges, passages, and marine projects.

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 China Factory Silicon Dioxide Nano Hydrophobic Fumed Silica 300 IOTA HB4300

Frequently Asked Questions: China Factory Silicon Dioxide Nano Hydrophobic Fumed Silica 300 IOTA HB4300

What is IOTA HB4300?

IOTA HB4300 is a hydrophobic fumed silica made from silicon dioxide. It has nano-sized particles and is treated to repel water. This product works well as a thickening agent, anti-settling aid, and flow controller in many industrial applications.

Where is it used?

This silica is used in coatings, adhesives, sealants, inks, and cosmetics. It helps prevent sagging, improves texture, and keeps pigments evenly mixed. Because it resists moisture, it is also useful in products that must stay stable in humid conditions.

How does hydrophobic treatment help?

The surface of the silica particles is modified with special chemicals. This makes them repel water instead of absorbing it. As a result, the material stays free-flowing and performs better in wet environments. It also mixes more easily into non-polar systems like oils and solvents.

Is it safe to handle?

Yes, but standard safety steps should be followed. Wear gloves, eye protection, and a dust mask when handling the powder. Avoid breathing in fine particles. Store in a dry, cool place away from moisture to keep performance consistent.

How is it different from regular fumed silica?

Regular fumed silica is hydrophilic—it attracts water. IOTA HB4300 is hydrophobic—it pushes water away. This change makes it more suitable for use in water-sensitive formulas. It also gives better flow control and stability in organic-based systems compared to untreated silica.