Discover premium silica dioxide, industrial grade SiO2, for various applications.
PRODUCT PARAMETERS
Description
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 dealt with (CAS 67762-90-7) is a high-performance silicon dioxide powder created for use in layers, adhesives, and specialized chemical applications. This nano SiO2 product, identified HB-139 and R202, serves as a free-flow aid to boost handling and end product top quality. The surface area therapy with polydimethylsiloxane (PDMS) offers the silica bits solid water-repellent residential or commercial properties. This makes the powder resistant to moisture absorption, ensuring security in moist settings.
The item improves flowability in powder finishings, reducing clumping during storage and handling. It enhances the level of smoothness of coated surface areas by decreasing surface area defects. The nano-sized bits give high surface, increasing reinforcement in polymer matrices. This leads to far better mechanical strength, scratch resistance, and durability in finished items. The material functions well with materials like epoxy, polyester, and polyurethane, maintaining compatibility throughout systems.
HB-139 includes a low mass density, allowing simple diffusion right into liquid or solid formulas. Its nano-scale framework makes sure also circulation without cluster. The treated silica stands up to working out, prolonging life span and maintaining consistent efficiency. It operates efficiently in high-temperature problems, suitable for auto and industrial coverings. The powder is chemically inert, making certain no reactions with other elements in the majority of environments.
Normal use degrees vary from 0.5% to 3% by weight, depending upon the application. Greater focus boost thickening or anti-settling effects. The material satisfies market standards for pureness, with marginal pollutants affecting performance. It is supplied as a fine white powder, all set for straight unification right into production processes.
Handling requires basic safety measures. Use safety tools to stay clear of inhalation or call with eyes. Store in a dry, trendy location away from straight sunshine. Keep containers snugly sealed to stop wetness access. The item is safe but should be handled according to regional laws for great powders.

(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 dealt with (CAS 67762-90-7) is a nano silicon dioxide powder referred to as HB-139 or R202. It works as a cost-free circulation aid in numerous sectors. The product has a hydrophobic surface as a result of polydimethylsiloxane (PDMS) therapy. This makes it drive away water and boosts compatibility with non-polar systems.
In coverings and paints, this silica powder prevents clumping. It ensures smooth application by reducing rubbing between bits. The result is also dispersion in liquid or powder coverings. This enhances toughness and resistance to wetness. It is excellent for exterior or high-humidity settings.
For adhesives and sealers, the powder improves circulation properties. It stops sticky materials from agglomerating throughout storage space. The PDMS therapy includes water repellency. This makes adhesives extra trustworthy in damp conditions. It additionally boosts thermal stability in high-temperature applications.
In plastics and compounds, HB-139 acts as a reinforcing filler. It increases mechanical stamina without including weight. The powder’s nano-size particles fill up tiny spaces. This enhances surface area coating and minimizes problems. It also helps polymers withstand moisture absorption.
Cosmetics and individual treatment products utilize this silica for structure control. It provides creams and powders a smooth, non-greasy feeling. The hydrophobic nature prevents active ingredients from clumping. This expands item service life. It likewise functions as a thickener in creams and sun blocks.
Drugs gain from the powder’s free-flowing homes. It makes certain accurate application in tablet computer and pill manufacturing. The product’s inert nature makes it secure for clinical applications. It withstands wetness to shield drug stability.
Industrial powders like pigments or concrete ingredients use HB-139 to prevent caking. It preserves dry, free-flowing uniformity throughout storage and transport. This minimizes waste and boosts processing effectiveness.
Paints and inks get much better scratch resistance with this silica. It develops a protective layer on surfaces. This enhances longevity in extreme problems. The nano-sized fragments do not impact transparency in clear finishes.
The powder works with natural solvents and resins. It works in solvent-based and water-based systems. Manufacturers select it for adaptability and efficiency. Its role in enhancing product high quality makes it valuable throughout sectors.
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 is a specialty material. It improves flow and reduces clumping in powder coatings. Below are answers to common questions about this product.
What is hydrophobic fumed silica used for? It acts as a free-flow aid. It prevents powders from sticking together. This makes handling easier during manufacturing. It also boosts product performance in coatings and adhesives.
How does PDMS treatment affect the silica? PDMS (polydimethylsiloxane) adds a water-repellent layer. This makes the silica hydrophobic. The treatment improves compatibility with non-polar systems. It ensures even dispersion in resins or polymers.
Is this material safe to handle? Yes, but precautions are necessary. Wear gloves and masks to avoid inhalation or skin contact. Follow OSHA guidelines for dust control. Check the safety data sheet (SDS) before use.
Can it be used in food-contact applications? No. HB-139 R202 is not food-grade. It is designed for industrial coatings and similar uses. Verify regulatory compliance for specific applications.
How should this silica be stored? Keep it sealed in a dry, cool place. Avoid moisture and high temperatures. Proper storage prevents clumping and maintains performance.
This silica works in nano SiO2 powder coatings. It reduces friction between particles. This ensures smooth application and even finishes. It is ideal for automotive, electronics, and architectural coatings.
The PDMS treatment increases chemical stability. It resists moisture absorption even in humid conditions. This makes coatings more durable over time.
Always test compatibility with your formulation. Adjust ratios based on desired flow and texture. Start with small batches to optimize results.
HB-139 R202 is a high-purity material. It meets industry standards for consistency. Its low impurity content prevents defects in final products.
This product is not interchangeable with untreated silica. The hydrophobic properties require specific mixing methods. Follow the supplier’s guidelines for best results.

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