Fumed Precipitated ...

Fumed Precipitated Silica/ Silicon Dioxide/ SiO2 Supplements CAS 7631-86-9

Fumed Precipitated Silica/ Silicon Dioxide/ SiO2 Supplements CAS 7631-86-9

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1 Kilogram

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  • Min.Order :1 Kilogram
  • Purity: 99%
  • Payment Terms : L/C,D/A,D/P,T/T

Keywords

Silicon Dioxide Fumed Silica Precipitated Silica

Quick Details

  • Appearance:White Crystaline Powder
  • Application:industrial use
  • PackAge:As per buyer's requirement
  • ProductionCapacity:3000|Metric Ton|Month
  • Storage:Cool Dry Place
  • Transportation:By express, air, sea, train or road depends on quantity and buyer's requirement

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Details:

Fumed Silica/ Silicon Dioxide/ SiO2 Supplements CAS 7631-86-9

 

 

Description:

  • Chemical Formula: SiO2
  • Molecular Weight: Approximately 60.08 g/mol
  • Structure: Silica consists of silicon atoms bonded to oxygen atoms in a tetrahedral structure, forming a three-dimensional network.

Specification:

  • Purity: Silica is available in different purity grades, typically ranging from 95% to higher levels. The specific purity may depend on the manufacturer and intended application.
  • Particle Size: Silica particles can vary in size, ranging from nanometers to micrometers. The particle size can be specified based on the desired application.
  • Surface Area: Silica can have a specific surface area, which is a measure of the total surface area per unit mass. Surface area can affect its reactivity and adsorption properties.

Application:

  1. Industrial Applications: Silica has a wide range of industrial applications due to its unique properties. It is used as a filler, reinforcing agent, and abrasive in the production of rubber, plastics, paints, coatings, and adhesives. Silica also finds application in the manufacturing of glass, ceramics, catalysts, and refractory materials.

  2. Food and Beverage Industry: Silica is utilized in the food and beverage industry as an anticaking agent, flow aid, and carrier for ingredients. It helps prevent clumping and improves the flowability of powdered products, such as spices, milk powder, and instant coffee. Silica is generally recognized as safe (GRAS) by regulatory authorities when used within specified limits.

  3. Personal Care Products: Silica is commonly used in personal care products, including cosmetics, skin care, and oral care formulations. It is employed as a thickening agent, abrasive, absorbent, and matting agent. Silica can provide texture, enhance product performance, and deliver specific sensory properties.

Features:

  • High Thermal Stability: Silica is resistant to high temperatures and can retain its physical and chemical properties under elevated heat conditions. This property makes it suitable for applications that involve high-temperature processes, such as glass manufacturing and foundry operations.

  • High Hardness: Silica is a hard material, ranking 7 on the Mohs scale of mineral hardness. Its hardness contributes to its abrasive properties, making it useful as an abrasive material in various applications.

  • Porous Structure: Silica can possess a porous structure, providing a large surface area and high adsorption capacity. This feature enables its use as an adsorbent for purification, separation, and filtration processes.

  • Chemical Inertness: Silica is chemically inert, meaning it does not readily react with other substances. This property makes it suitable for use in applications that require stability and non-reactivity, such as in coatings, fillers, and catalyst supports.

  • Optical Transparency: Silica exhibits excellent optical transparency, allowing light to pass through with minimal distortion. This characteristic makes it valuable in the production of glass, optical fibers, and other transparent materials.

  • Moisture Absorption: Silica can have moisture-absorbing properties, which is useful in applications where moisture control or desiccation is required, such as in packaging materials or moisture-sensitive products.

 

Description:
Precipitated silica is a fine, white, odorless powder composed of amorphous silicon dioxide (SiO2). It is produced by adding a mineral acid to a solution containing a silicate compound, causing the silica to precipitate out of the solution.

Specification:

  • Chemical formula: SiO2
  • CAS Number: 7631-86-9
  • Molecular weight: 60.08 g/mol
  • Appearance: Fine white powder
  • Specific surface area: Varies depending on the manufacturing process and grade
  • Particle Size: Varies depending on the specific application and grade

Application:

  1. Rubber Industry: Precipitated silica is extensively used in the rubber industry as a reinforcing filler. It improves the mechanical properties of rubber compounds, such as tensile strength, tear resistance, and abrasion resistance. It is commonly used in tires, conveyor belts, hoses, and other rubber products.

  2. Coatings and Paints: Precipitated silica is employed as a functional additive in coatings and paints. It acts as a thickening agent, anti-settling agent, and anti-sagging agent, enhancing the properties and performance of coatings. It also improves scratch resistance and durability.

  3. Food, Pharmaceutical, and Personal Care Products: Precipitated silica is used in the food, pharmaceutical, and personal care industries. It is utilized as an anti-caking agent, flow aid, and carrier for powdered ingredients. In pharmaceuticals, it can be used as an excipient in tablets and as an absorbent in topical formulations. In personal care products, it is found in toothpaste, cosmetics, and skincare products.

  4. Adhesives and Sealants: Precipitated silica is added to adhesives and sealants to improve their viscosity, thixotropic properties, and bonding strength. It helps control the flow and prevents sagging or slumping during application.

  5. Agricultural and Crop Protection: Precipitated silica is utilized in the agricultural industry for various purposes. It can be used as a carrier for pesticides and herbicides, improving their dispersion and adhesion to plants. It can also be used as an anti-caking agent in fertilizers.

Features:

  1. High Absorption Capacity: Precipitated silica has a high surface area and porosity, allowing it to absorb liquids and gases effectively. This feature is beneficial in applications such as drying agents, desiccants, and carriers for liquids.

  2. Reinforcing Filler: Precipitated silica acts as a reinforcing filler in rubber compounds, enhancing the mechanical properties and performance of rubber products.

  3. Thixotropic Properties: Precipitated silica can exhibit thixotropic behavior, meaning its viscosity decreases under shear and returns to its original viscosity when the shear is removed. This property is advantageous in applications such as coatings and adhesives, providing improved flow properties and preventing sagging.

  4. Anti-Caking and Flow Aid: Precipitated silica acts as an anti-caking agent and flow aid in powdered products, preventing clumping and improving flowability.

  5. Chemical Inertness: Precipitated silica is chemically inert and stable, making it compatible with various formulations and materials. It does not react with other substances, ensuring its effectiveness and stability in different applications.

 

 

Product Description

 

Product Name

Fumed Silica

Appearance

White powder

CAS

7631-86-9

Grade Standard

Industrial Grade

Purity:

99%

 

Introduction:

Silica (chemical formula: SiO2) is an acidic oxide, and the corresponding hydrate is silicic acid (H2SiO3). Silica is the most important compound of silicon. The natural silica present on the earth accounts for about 12% of the mass of the earth's crust. Its existence is crystalline and amorphous. It is collectively called silica.

 

Function:

1 Rubber modified, sealant ceramic toughening modification, adhesives, functional fiber additive, plastic modification, paint aging additives;

2 Ceramics, nano ceramic, composite ceramic substrate;

3 Polymer: can increase the thermal stability and anti-aging polymer;

4 Flame retardant materials and coatings, high grinding medium, cosmetic products;

5 In cluster butyl benzene and chlorinated polyethylene adding a small amount of nano SiO2produce color rubber tenacity, elongation, strength, flexural performance and ultraviolet resistance and thermal aging performance and achieve or exceed epdm;

6 In traditional coating adding a small amount of nano silicon oxides, good solve the suspension stability, thixotropy and poor, poor finish.

 

Application Area:

Paint, plastic, color rubber, magnetic materials, in addition, nano-silica can be widely used in ceramics (sugar) porcelain, gypsum, batteries, paints, adhesives, cosmetics, glass, steel, fiber, glass, and many other fields of environmental protection products the upgrading.

 

Packaging 1kg-15kg packing 2 PE bag inside + 1 foil bag outside in carton
25kg-50kg packing 2 PE bag inside + 1 foil bag outside in drum
Other packing Customized packing
Drum Size D38cm*H60cm or customized, 25 kg/ drum
Shipping 1-50kg International Express Fast and convenient Door to Door
50-500kg Air Transportation Fast and cheap To Air Port
Above 500kg Sea Transportation Cheap and convenient To Port

 

 

 

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Q3: How can i get a sample

Yes, you can get free samples for some products, but the shipping cost would be paid by customers.

Q4: How to confirm the Product Quality before placing orders

You can get some sample, or we can send certificate of analysis or HPLC or NMR to you.

Q5: How to guarantee the quality of your products

Strict sampling inspection on products before shipment and intact product packaging ensured.

Q6: How can I make payment safe

The whole transaction is under Third party inspection.

Q7: Whether you could make our brand on your products

Yes. We can print your Logo on the packages if you can meet our MOQ.

 

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9.Our distribution capabilities include:

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