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 Manufacture Chemical Raw Material High Purity Fumed Silica for Silicon Rubber in a Low

High Pureness Fumed Silica for Silicone Rubber

Product Overview

This fumed silica is made for use in silicone rubber. It has extremely high purity and fine bit dimension. The product provides silicone rubber far better stamina, security, and performance.

Key Features

– Ultra-high pureness : Includes over 99.8% SiO two with minimal pollutants.
– Great particle dimension : Average primary bit size is in between 7 to 40 nanometers.
– High surface area : BET surface varies from 50 to 400 m TWO/ g, which assists with reinforcement.
– Hydrophobic or hydrophilic choices : Offered in both types to match different formula needs.
– Exceptional diffusion : Mixes well into silicone systems without clumping.

Technical Specs

– Appearance: White, free-flowing powder
– Loss on drying out (105 ° C, 2 hrs): ≤ 1.5%.
– Ignition loss (1000 ° C, 2 hrs): ≤ 2.0%.
– pH worth (4% diffusion): 3.6– 4.8 (hydrophilic), 6.0– 8.0 (hydrophobic).
– Mass density: 30– 80 g/L.
– Moisture web content: ≤ 0.5%.

Applications

This fumed silica works well in:.
– High-consistency rubber (HCR).
– Fluid silicone rubber (LSR).
– Room temperature vulcanizing (RTV) silicone.
It boosts tear resistance, tensile toughness, and form retention. It also manages thickness and quits filler settling during storage space.

Handling and Storage space

Shop in a dry, cool area. Maintain containers sealed when not being used. Prevent exposure to moisture and dust. Use conventional commercial hygiene practices when managing. Use handwear covers and eye protection.

Applications of Manufacture Chemical Raw Material High Purity Fumed Silica for Silicon Rubber in a Low

High-Purity Fumed Silica for Silicone Rubber

Why It Matters in Manufacturing

High-purity fumed silica is a vital basic material made use of in making silicone rubber. This fine white powder gives silicone rubber the strength and stability it needs for lots of commercial uses. Due to the fact that it has very low levels of contaminations, it assists maintain the end product tidy, consistent, and trustworthy.

Manufacturers add fumed silica to silicone rubber to boost its physical residential properties. It makes the rubber stronger without making it tight. The product stays adaptable yet can handle more stress. This is necessary for components that have to last a long period of time under stress or heat.

Usual Utilizes

You will find this kind of silicone rubber in several everyday products. It is utilized in automotive parts like gaskets and seals due to the fact that it resists high temperatures and oils. In electronics, it secures delicate elements from dampness and resonance. Medical devices also count on it since it fulfills rigorous security and pureness criteria.

The high area of fumed silica lets it bond well with the silicone base. This creates a consistent mix that remedies uniformly. Consequently, the rubber keeps its shape and performance over time. Even in small amounts, fumed silica makes a big difference.

Top Quality You Can Trust

Not all fumed silica works the exact same. Only high-purity grades give the best lead to silicone rubber. Lower-quality choices may contain metals or other contaminants. These can weaken the rubber or trigger staining. That’s why makers pick trusted sources that ensure consistency and tidiness.

Making use of high-grade fumed silica suggests less problems, much less waste, and far better performance in the end product. It supports smooth production and satisfies the demands of hard applications across markets.

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 Manufacture Chemical Raw Material High Purity Fumed Silica for Silicon Rubber in a Low

Frequently Asked Questions About High Purity Fumed Silica for Silicone Rubber

What is high purity fumed silica used for in silicone rubber?

High purity fumed silica acts as a reinforcing filler. It makes silicone rubber stronger and more durable. Without it, the rubber would be too soft or weak for many industrial uses.

Why does purity matter in fumed silica?

Impurities can cause problems like discoloration or poor performance. High purity means fewer unwanted substances. This helps the final rubber product stay clear, stable, and reliable over time.

How does fumed silica improve silicone rubber processing?

It controls viscosity and prevents sagging during molding or extrusion. The silica also helps keep fillers evenly mixed. This leads to smoother production and consistent product quality.

Is this fumed silica safe for food-grade or medical applications?

Yes, if it meets strict purity standards. Our high purity fumed silica contains no heavy metals or harmful residues. It complies with regulations for use in food contact and medical-grade silicone products.

How should fumed silica be stored?

Keep it in a dry, sealed container. Moisture causes clumping, which affects performance. Store it away from direct sunlight and extreme temperatures to maintain its quality.