Overview of nano silica

Composition: Primarily composed of silicon dioxide (SiO2), similar to regular sand but on a much smaller scale.

Production: Nano silica can be produced through several methods such as sol-gel processes, vapor deposition, and plasma technology.

Applications: Due to its unique properties, nano silica finds applications in a wide range of fields including electronics, optics, biomedicine, and construction materials.

Features of nano silica

High Surface Area: One of the standout features of nano silica is its extremely high surface area relative to volume, which makes it highly reactive and useful for catalysis.

Enhanced Mechanical Properties: When added to other materials, nano silica can significantly improve mechanical strength, durability, and wear resistance.

Optical Properties: Depending on their size and shape, nano silica particles can manipulate light in interesting ways, making them useful in optical devices.

Biocompatibility: In biomedical applications, certain forms of nano silica are known for their biocompatibility and ability to deliver drugs within the body effectively.

Thermal Stability: Nano silica exhibits excellent thermal stability, allowing it to maintain its structure and properties at high temperatures.

(hydrophobic fumed silica PDMS treated cas 67762-90-7 silicon dioxide powder coatings nano sio2 HB-139 free flow aid R202)

Specification of hydrophobic fumed silica PDMS treated cas 67762-90-7 silicon dioxide powder coatings nano sio2 HB-139 free flow aid R202

Hydrophobic Fumed Silica PDMS Treated (CAS 67762-90-7), marketed as HB-139 R202, is a high-performance nano SiO2 powder designed for usage as a free-flow aid in powder finishings and various other industrial applications. This specialty silica goes through surface area adjustment with polydimethylsiloxane (PDMS), giving solid hydrophobic buildings and improved compatibility with polymer matrices. Its ultra-fine particle structure and tailored surface chemistry boost flowability, lower cluster, and enhance handling efficiency.

** Key Requirements: **.
– ** Chemical Call: ** Silicon Dioxide (SiO2).
– ** CAS Number: ** 67762-90-7.
– ** Appearance: ** White, fluffy nanopowder.
– ** Surface Therapy: ** PDMS (hydrophobic).
– ** Key Particle Size: ** 7– 40 nm.
– ** Area (BET): ** 100– 160 m ²/ g.
– ** Mass Density: ** ~ 50 g/L.
– ** Loss on Drying (105 ° C): ** ≤ 1.5%.
– ** pH (4% in water): ** 3.6– 4.3.
– ** Solubility: ** Insoluble in water and organic solvents.

** Features & Conveniences: **.
HB-139 R202 stands out as a free-flow additive in powder finishes, stopping caking and guaranteeing smooth handling throughout storage space and application. The PDMS-treated surface area drives away wetness, enhancing security in moist settings. Its nano-sized bits function as a thixotropic agent, boosting anti-settling and droop resistance in formulations. The high surface area promotes optimum dispersion, minimizing interparticle rubbing for superior circulation and progressing in finishings. In addition, it enhances mechanical properties such as scrape resistance and sturdiness in healed movies.

** Applications: **.
Suitable for powder finishings, adhesives, sealants, inks, and compounds, HB-139 R202 works with epoxy, polyester, and hybrid systems. It is extensively utilized in vehicle, industrial, and building finishes to maximize manufacturing effectiveness and end-product efficiency.

** Handling & Safety and security: **.
Shop in an awesome, dry environment, sealed securely to avoid wetness absorption. Use typical PPE (handwear covers, masks) throughout managing to lessen inhalation or contact. Safe yet may cause moderate inflammation; follow standard commercial safety and security protocols.

HB-139 R202 combines innovative nanotechnology with practical surface area treatment to provide reliable efficiency sought after finishings and material systems, ensuring boosted processing and end-product top quality.

(hydrophobic fumed silica PDMS treated cas 67762-90-7 silicon dioxide powder coatings nano sio2 HB-139 free flow aid R202)

Applications of hydrophobic fumed silica PDMS treated cas 67762-90-7 silicon dioxide powder coatings nano sio2 HB-139 free flow aid R202

Hydrophobic fumed silica PDMS treated (CAS 67762-90-7), also called silicon dioxide (SiO2) nano powder HB-139 or R202, is a high-performance additive crafted to enhance material buildings across varied markets. This specialized silica is synthesized by means of fire hydrolysis and surface-treated with polydimethylsiloxane (PDMS), imparting strong hydrophobicity, boosted dispersibility, and extraordinary free-flowing attributes. Its nano-scale particle size (usually 7-40 nm) and high area enable remarkable interaction with host matrices, making it optimal for requiring applications.

Trick features consist of water repellency due to PDMS alteration, which stops dampness absorption and pile, making sure stable efficiency in damp settings. As a free-flow help, it decreases interparticle rubbing, enabling smooth handling and handling of powders. The product displays excellent thermal security (approximately 300 ° C) and chemical inertness, guaranteeing compatibility with polymers, materials, and coatings. Its nano-SiO2 structure enhances mechanical stamina, abrasion resistance, and optical clearness in composite systems.

In powder finishings, HB-139/ R202 works as an anti-caking and anti-settling representative, boosting fluidness for uniform application and lowered issues. It enhances finish longevity, scratch resistance, and weatherability. For adhesives and sealers, it gives thixotropy, prevents sagging, and enhances moisture resistance. In drugs, it serves as a circulation booster for tablet solutions, making certain exact application. The cosmetic sector leverages its matting effects and smooth texture in powders and lotions. Furthermore, it reinforces silicone rubber, plastics, and inks, supplying boosted tensile strength, printability, and surface area coating.

This non-toxic, high-purity silica is suited for delicate applications like food-grade packaging, clinical tools, and electronics encapsulation. Industries such as auto, building, and electronic devices benefit from its ability to enhance item efficiency under extreme conditions. HB-139/ R202 stands out as a versatile additive, delivering functional improvements while keeping handling efficiency and end-product top quality.

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 hydrophobic fumed silica PDMS treated cas 67762-90-7 silicon dioxide powder coatings nano sio2 HB-139 free flow aid R202

(hydrophobic fumed silica PDMS treated cas 67762-90-7 silicon dioxide powder coatings nano sio2 HB-139 free flow aid R202)