Discover premium silica dioxide, industrial grade SiO2, for various applications.
PRODUCT PARAMETERS
Description
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 Gel Thickener Nanoparticle Fumed Silica High Purity Sio2 Silicon Dioxide Fusil White Powder For HTV And RTV Silicone Rubber
High-Purity Fumed Silica for Silicone Rubber Applications
Premium Thickening and Reinforcing Agent
This fumed silica powder is a high-purity type of silicon dioxide (SiO TWO). It appears as a penalty, white, free-flowing powder. The product is specially designed to operate in both high-temperature vulcanizing (HTV) and room-temperature vulcanizing (RTV) silicone rubber systems.
The product acts as an effective gel thickener. It helps control the flow and uniformity of liquid silicone compounds. This makes certain far better handling during handling and prevents drooping or slumping in vertical applications. Its nano-scale fragment dimension gives it a huge area, which improves its thickening power also at reduced enhancement levels.
In addition to thickening, this fumed silica gives strong support. It improves tensile strength, tear resistance, and total durability of the last silicone item. The particles bond well with the polymer matrix, producing a steady and consistent framework.
The silica is made via a fire hydrolysis process. This technique provides consistent top quality and extremely reduced degrees of impurities. The outcome is a clean, bright-white powder that will certainly not blemish sensitive formulations. It also reveals superb diffusion in silicone bases when blended correctly.
This product works well in a wide range of silicone applications. These include sealants, adhesives, finishes, molded components, and medical-grade parts. It remains stable under regular storage space conditions and does not absorb moisture quickly.
Use degrees commonly range from 5% to 30% by weight, relying on the desired thickness and performance requirements. Always blend completely to turn on the full thickening result. Pre-treatment or surface area modification might be made use of for details compatibility requirements.
Suppliers rely upon this fumed silica for its dependability, purity, and efficiency. It fulfills rigorous industry requirements for quality and consistency popular silicone rubber production.

Applications of Gel Thickener Nanoparticle Fumed Silica High Purity Sio2 Silicon Dioxide Fusil White Powder For HTV And RTV Silicone Rubber
High-Purity Fumed Silica for Superior Silicone Rubber Performance
What It Is
This product is a high-purity fumed silica powder made from silicon dioxide (SiO ₂). It appears as a penalty, white powder and is particularly engineered for usage in both high-temperature vulcanizing (HTV) and room-temperature vulcanizing (RTV) silicone rubber systems. The material includes nano-sized fragments that develop a three-dimensional network when blended right into silicone compounds.
Why It Matters
Fumed silica serves as an enhancing filler and thickening agent. Without it, numerous silicone rubbers would do not have the toughness and stability required for demanding applications. When added to HTV or RTV solutions, it substantially improves mechanical residential properties like tear resistance, tensile strength, and prolongation at break. It additionally manages flow habits, protecting against sagging or dropping in vertical applications.
Key Benefits in Genuine Use
This silica provides regular efficiency across a variety of problems. Its ultra-fine bit dimension ensures even dispersion in silicone matrices, leading to smooth, consistent final product. Since it is very pure, it does not introduce impurities that might influence curing or final appearance. This makes it perfect for medical devices, automobile seals, electric insulation, and building sealers– areas where reliability and clearness matter.
The powder’s surface area chemistry enables strong interaction with silicone polymers. This interaction builds framework quickly, providing formulators better control over viscosity and thixotropy. Consequently, makers can change processing criteria without compromising item quality.
Handling and Compatibility
The material blends easily with common silicone bases. It functions well with basic blending devices and does not need special handling beyond typical commercial powder safety and security practices. Its hydrophobic or hydrophilic variants can be picked based upon the details requirements of the solution, making sure optimal compatibility and performance.
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 Gel Thickener Nanoparticle Fumed Silica High Purity Sio2 Silicon Dioxide Fusil White Powder For HTV And RTV Silicone Rubber
Frequently Asked Questions
What is fumed silica used for in silicone rubber?
Fumed silica acts as a thickener and reinforcing filler. It helps HTV (high-temperature vulcanizing) and RTV (room-temperature vulcanizing) silicone rubbers hold their shape. It also improves strength, tear resistance, and durability.
Why choose high-purity SiO₂ powder?
High-purity silicon dioxide ensures consistent performance. Impurities can weaken the rubber or cause discoloration. Our Fusil White Powder contains over 99.8% pure SiO₂. This makes it ideal for sensitive applications like medical devices or electronics.
How does nanoparticle size affect performance?
Smaller particles have more surface area. This lets them bond better with the silicone matrix. The result is stronger thickening power and smoother texture. Nanoparticle fumed silica mixes evenly without clumping.
Is this powder easy to mix into silicone?
Yes. The fine, free-flowing powder disperses well under standard mixing conditions. Use proper shear mixing to break up any soft agglomerates. Once mixed, the gel stays stable and does not settle over time.
Does it work with both addition-cure and condensation-cure systems?
Yes. This fumed silica is compatible with most RTV and HTV formulations. It works in both platinum-catalyzed (addition cure) and tin-catalyzed (condensation cure) systems. Always test in your specific formulation to confirm performance.
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