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Oxide Powder

Fumed silica powder CAS 112945-52-5
  • Fumed silica powder CAS 112945-52-5
  • Fumed silica powder CAS 112945-52-5

Fumed silica powder CAS 112945-52-5

Fumed silica has a strong thickening effect. Primary particle size is 5–50 nm. The particles are non-porous and have a surface area of 50-600m2 /g. Density is 160–190 kg/m3 .
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Overview of Fumed Silica:

Fumed silica (CAS number 112945-52-5), also known as fumed silica because it is produced in a flame, consisting of tiny droplets of amorphous silica that fuse into branched Chain, chain-like, three-dimensional secondary particles, and then agglomerate into tertiary particles. The resulting powder has very low bulk density and high surface area. When used as a thickener or reinforcing filler, its three-dimensional structure leads to increased viscosity, thixotropic behavior. It is an amorphous silica product, the primary particle size is between 7~40nm, the aggregate size is about 200-500nm, the specific surface area is 100~400m2/g, the purity is high, and the SiO2 content is not less than 99.8%. The untreated fumed silica aggregates contain a variety of silanol groups.

Application of Fumed Silica:

What is the scope of application of fumed silica?

Fumed silica is used in powders as a general purpose thickener and anti-caking agent (free-flowing agent). Like silica gel, it can be used as a desiccant. It is used in cosmetics due to its light diffusing properties. Fumed silica is used as a light abrasive in products such as toothpaste. Other uses include fillers in silicone elastomers and viscosity adjustment in paints, coatings, printing inks, adhesives and unsaturated polyester resins.

Application in paints and coatings

Fumed silica is widely used in paints and coatings as a rheological additive, which can effectively prevent the sedimentation and delamination of pigments and fillers, improve the weather resistance and scratch resistance of coatings, and improve the bonding strength between the coating and the substrate. .

Application in fertilizer and feed

Fumed silica has strong adsorption and hygroscopicity, which can promote the free flow of powders such as fertilizers and feeds, facilitate the transportation and storage of powders, and prevent them from getting wet.

Application in pesticides and medicine

Fumed silica has the characteristics of small particle size, large specific surface area, strong adsorption performance, and easy suspension. It can absorb a large number of water molecules in water and swell into extremely fine particles to form a stable suspension. Taking advantage of these properties, it can be used as a carrier for pesticide wettable powder, granules, water dispersible granules, as a dispersant and thickening agent for suspending agents; at the same time, adding fumed silica to medicines can be used as an anti-caking agent for medicines , drug carriers and excipients, so as to achieve the purpose of prolonging the drug effect.

Application in Adhesives and Sealants

The excellent reinforcing, thickening and thixotropic properties of fumed silica can prevent the precipitation of adhesives and sealants during storage and sag during curing, and improve their tear strength and bond strength.

Price of fumed silica:

The price of fumed silica will vary with the production cost, transportation cost, international situation, exchange rate and market supply and demand of fumed silica. Tanki New Materials Co.,Ltd. aims to help various industries and chemical wholesalers find high-quality, low-cost nanomaterials and chemicals by providing a full range of customized services. If you are looking for fumed silica powder, please feel free to send an inquiry for the latest price of fumed silica.

Supplier of fumed silica:

As a global supplier of fumed silica powders, Tanki New Materials Ltd. has extensive experience in the performance, application and cost-effective manufacturing of advanced engineering materials. The company has successfully developed a series of powder materials (including boron carbide, aluminum carbide, titanium carbide, etc.), high-purity targets, functional ceramics and structural devices, and provides OEM services.


Hot Tags: Fumed silica powder CAS 112945-52-5, manufacturers, suppliers, factory, Customized

Product

Nano silicon dioxide SiO2 powder

Analysis Project

Al,Fe,Ca,Mg,Cu,Mn,Na,Co,Ni,F.Si,Pb,K,N,C,S,F.O

 

Analysis Result

Chemical Composition

Wt%(Analysis)

Al

0.001

Fe

0.001

Ca

0.001

Mg

0.001

Cu

N.D

Mn

0.001

Na

0.001

Co

0.001

Ni

0.001

F.Si

0.001

Pb

N.D

K

0.001

N

0.005

C

0.002

S

0.004

F.O

0.05


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Tanki New Materials Co.Ltd Aims to help All industries and Chemical Wholesalers to find high quality, cheap price nano materials and chemicals by providing turn-key customize manufacturing services.

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