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 974 Grade Low Silica Powder Hydrophobic Fumed Sliica 615

974 Quality Low Silica Powder– Hydrophobic Fumed Silica 615

Product Introduction

Hydrophobic Fumed Silica 615 is a high-purity, low-silica powder designed for demanding industrial applications. It begins as hydrophilic fumed silica and undertakes surface area therapy with dimethyldichlorosilane. This procedure provides the material solid water-repelling homes while maintaining its core structure intact.

Trick Features

This grade offers outstanding enlarging and anti-settling performance in non-polar systems. It stays secure in natural solvents, resins, and oils. The powder flows openly and disperses conveniently without clumping. Its hydrophobic nature stops dampness absorption, which aids preserve item uniformity with time. Bit dimension is incredibly fine, generally under 20 nanometers, making certain smooth assimilation right into formulations.

Technical Specifications

– Silica Content : ≥ 97.4%.
– Details Area (BET) : 130– 180 m TWO/ g.
– Loss on Drying (105 ° C, 2 humans resources) : ≤ 1.5%.- Ignition Loss (1000 ° C, 2 humans resources) : 10– 18%.
– pH Worth (4% diffusion) : 3.6– 4.8.
– Mass Thickness : ~ 50 g/L.
– Dealt with With : Dimethyldichlorosilane.

Common Applications

Makers utilize this silica in adhesives, sealants, finishings, and inks to control flow and protect against pigment settling. It functions well in silicone rubber substances to improve tear stamina and handling. The powder additionally serves in cosmetics and drugs where moisture resistance and smooth texture are essential. In industrial lubricants and greases, it acts as a dependable thickener that stays reliable under varying temperature levels.

Handling and Storage space

Store in a completely dry, awesome area in sealed containers. Keep away from moisture and direct sunlight. Usage basic dust-control actions during handling to stay clear of breathing. Although chemically secure, prevent contact with strong acids or bases.

Applications of 974 Grade Low Silica Powder Hydrophobic Fumed Sliica 615

Applications of 974 Quality Low Silica Powder Hydrophobic Fumed Silica 615

Boosted Efficiency in Coatings and Paints

974 Quality Hydrophobic Fumed Silica 615 works well in coverings and paints. It quits pigments from resolving. It additionally helps control flow during application. The powder gives a smooth coating without runs or sags. Because it fends off water, the last covering withstands moisture better. This makes exterior paints last longer.

Stronger Adhesives and Sealants

This silica quality thickens adhesives without altering their quality. It maintains fillers equally blended. The hydrophobic nature indicates less water gets in. That leads to stronger bonds gradually. Sealants remain versatile and do not fracture under stress and anxiety. Builders and producers count on this for long lasting outcomes.

Enhanced Plastics and Rubber

In plastics and rubber products, Fumed Silica 615 increases stamina and wear resistance. It blends quickly into polymers throughout production. The low silica content avoids unwanted responses. Ended up parts reveal better surface area high quality and hold form under warm. Automotive and electronic devices parts profit a lot of.

Secure Inks and Publishing Pastes

Printers utilize this powder to maintain ink consistent. It prevents clumping and separation in storage space. The ink moves smoothly with nozzles or screens. Colors stay sharp and even on paper or material. Water resistance assists published things make it through handling and weather condition.

Reputable in Industrial Greases

Oils with 974 Quality Fumed Silica remain company at high temperatures. They do not thaw or leakage out of bearings. The powder holds oil in place while enabling smooth activity. Makers run quieter and need much less upkeep. Manufacturing facilities trust this for uptime and security.

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 974 Grade Low Silica Powder Hydrophobic Fumed Sliica 615

Frequently Asked Questions About 974 Grade Low Silica Powder Hydrophobic Fumed Silica 615

What is Hydrophobic Fumed Silica 615?

Hydrophobic Fumed Silica 615 is a special type of silica powder. It is made from high-purity raw materials and treated to repel water. This product carries the grade name “974” and shows very low moisture absorption. It works well as a thickening or anti-settling agent in many industrial formulas.

Why choose the 974 grade?

The 974 grade has very low silica content compared to standard types. This makes it ideal for applications where minimal interaction with other ingredients is needed. It also offers strong hydrophobic performance, which helps keep products stable in humid conditions.

Where is this silica used?

This powder is commonly used in coatings, adhesives, sealants, and cosmetics. It prevents clumping, improves texture, and boosts shelf life. Because it resists water, it’s especially useful in outdoor or high-moisture environments.

How should I store Hydrophobic Fumed Silica 615?

Keep the product in a dry, cool place. Always seal the container tightly after use. Even though it repels water, long exposure to humid air may affect its flow and performance over time.

Is this product safe to handle?

Yes, but basic safety steps are still needed. Wear gloves and a mask when handling fine powders. Avoid breathing in dust. Follow the safety instructions on the product label and safety data sheet. Store away from food and out of children’s reach.