What is Fumed Silica?

Fumed Silica can be described as a fine white powder that is made by hydrolysis silicon halide at high temperatures in an oxyhydrogen torch. Amorphous silicon dioxide is the product. Its primary size is 740nm. Aggregate size is 200-500nm. Specific surface area is 100400m2/g. There is high purity and SiO2 content not lower than 99.8%. There are a number of silica groups in vapor-phase silica aggregates that have untreated surfaces. This is the isolated, unurbed hydroxyl-group. Multi-OH compounds can be found in vapor phase silica, making them easy to form an uniform three-dimensional network structure (hydrogen bonds) in the liquid. With external forces (shear force and electric force), this three-dimensional network structure (hydrogen bonds) can be created. It will collapse, thin the medium, cause viscosity to drop and then the external force will disappear. The three-dimensional structure of the hydrogen bond (hydrogen link) can be restored once the external force is gone.

Fumed silica, one of the most valuable new inorganic material is. The particle sizes are small, the specific surface area is large, it has high energy and chemical purity. You cannot replace it because of its stability and its reinforcing effects, thickening, thixotropy, and other unique properties.

You can use it in many fields, such as ink thickening, decolorizing, matting, rubber reinforcing, rubber filling agents. Ink soft polishing and agents. Insulation and adiabatic filler.

The main “sex of fumed silica is hydrophilic or bipolar. You can apply physical, chemical, or mechanical techniques to the fumed silicona interface. This allows you to alter its chemical and physical characteristics. This allows it to be used in modern technologies, such as new materials, or for the creation of new technologies.

Silica-based Hydrophobic Fumed Silica Applications

The thickening of polar fluids like epoxy resins and silicone elastomer reinforced; High addition as in molded items; Excellent hydrophobicity and improving anticorrosion; Better dielectric properties as in cable cables; Powder flow Aids such as fire extinguishing and powder coatings; Increase scratch resistance in plastics.

Buffalotours Nano Technology Co. Ltd. (Buffalotours), is a global trusted supplier and manufacturer that produces high-quality chemical products. This includes silicon powder, graphite dust, graphite, zinc sulfide or calcium nitride as well 3D printing powder.

You can contact us to request quality fumed silica for a great price. (brad@ihpa.net)