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Sodium Colloidal Silica/Silica Sol

Professionally provide high-quality products to meet the demand for silica sol in the growing process of various industries

Home / Product / Colloidal Silica/Silica Sol / Sodium Colloidal Silica/Silica Sol

Sodium Colloidal Silica/Silica Sol

Sodium Colloidal Silica/Silica Sol
Colloidal silica/Silica sol is a kind of colloid which is formed by nm-grade particles SiO2, dispersed in water. It is odorless, tasteless and nontoxic and its chemical molecular formula is mSiO2·nH2O.
1. The colloid particles are minute, and the particle size can be controlled according to customers' requirements.
2. Colloidal silica/Silica sol has relatively large specific surface area, and high heat-resisting performance (1500-1600"C).
3. With low viscosity, it can soak the places where water soaks; therefore, it presents excellent dispersion and permeability.
4. When the moisture contained in silica sol is evaporated, the colloid grains firmly adhere to the material surface and the combination of silicon and oxygen is then formed between grains. It is a good adhesive.
Product application: electronics chemicals, paper chemicals, ceramics, sapphire polishing, gallium arsenide, silicon wafer polishing, cement curing agent, refractory materials, etc.
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Sequence Number
Product Series
Product Model
Particle Size(nm)
SiO₂Content(wt%)
PH
Na(ppm)
Shelf Hfe (month)
1
Sodium Type
JN5-20/1
4~6
20±1
9.5~10.5
<400
12
2
Sodium Type
JN10-20/1
8~12
20±1
9.5~10.5
<400
12
3
Sodium Type
JN10-30/1
8~12
30±1
9.5~10.5
<400
12
4
Sodium Type
JN12-30/1
10~14
30±1
9.5~10.5
<400
12
5
Sodium Type
JN14-30/1
12~16
30±1
9.5~10.5
<400
12
6
Sodium Type
JN20-40/1
18~22
40±1
9.5~10.5
<400
12
7
Sodium Type
JN40-40/1
38~42
40±1
9.5~10.5
<400
12
8
Sodium Type
JN60-40/1
55-65
40±1
9.5~10.5
<300
12
9
Sodium Type
JN80-40/1
70~90
40±1
9.5~10.5
<200
12
10
Sodium Type
JN90-40/1
80~100
40±1
9.5~10.5
<200
12
11
Sodium Type
JN100-40/1
90~110
40±1
9.5~10.5
<200
12
12
Sodium Type
JN110-40/1
100~110
40±1
9.5~10.5
<200
12
Welcome To Delixin

Professional Sodium Colloidal Silica/Silica Sol Suppliers.

Zhejiang Delixin Micro Nano Technology Co., Ltd. was established in 2014 with a registered capital of 10 million yuan. The company is located in Shangyu Economic and Technological Development Zone, Hangzhou Bay. The Hangzhou-Ningbo Expressway, Jiashao Expressway, Changtai Expressway and Shaozhu Expressway run through the park.The company is only an hour's drive from Ningbo and Xiaoshan International Airport, and 100 and 200 kilometers away from Ningbo and Shanghai ports respectively, which has obvious transportation advantage.

Relying on the senior technical team of the Chinese Academy of Sciences, taking advantage of late-mover advantage and through technological innovation, management innovation and product innovation, the company is a high-tech enterprise with research and development as the main body. Strictly following the ISO9000 system management and relying on the concept of "strive for survival by quality, develop with technology, and seek benefit from management", DlX provides customers with high-quality products to meet the growing demand for silica sol in various industries.

Our silica sol products are widely used in the fields of electronics, polishing, coating, papermaking, food, catalysis carrier, precision casting and refractory material.Our company is also a professional China Sodium Colloidal Silica/Silica Sol suppliers and Sodium Colloidal Silica/Silica Sol company to wholesale Sodium Colloidal Silica/Silica Sol.

We sincerely welcome to cooperate with you!

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Industry Information Extension

More Information About Sodium Colloidal Silica/Silica Sol

Sodium colloidal silica, also known as silica sol, is a stable colloidal dispersion of silicon dioxide nanoparticles in water. The particles are typically spherical in shape and have a diameter in the range of 5-100 nanometers. The surface of the particles is negatively charged, which helps to keep them in suspension in water. Sodium hydroxide is typically used to control the pH of the sol and prevent the particles from aggregating.
Silica sol has many applications, including as a binder in foundry molds and cores, as a polishing agent for metal and glass surfaces, as a stabilizer for emulsions, and as a thickener for coatings and paints. It is also used in the manufacture of catalysts, ceramics, and electronic components.
Silica sol can be produced by several methods, including the Stöber method, the reverse microemulsion method, and the sol-gel method. The Stöber method involves the hydrolysis and condensation of tetraethyl orthosilicate (TEOS) in the presence of a stabilizing agent. The reverse microemulsion method involves the dispersion of a hydrophobic silica precursor in an oil phase, followed by the addition of water to induce hydrolysis and condensation. The sol-gel method involves the hydrolysis and condensation of an alkoxide precursor in the presence of a catalyst and a solvent.

Sodium colloidal silica, also known as silica sol, is a stable suspension of silica particles in water. It has many uses in various industries, including:

Coatings and Adhesives: Silica sol is often used in coatings and adhesives to improve their hardness, durability, and water resistance. It can also act as a binder, providing better adhesion to the surface.
Refractories: Silica sol can be used in the production of refractory materials, which are used in high-temperature applications such as furnaces and kilns. It improves the properties of refractory materials, such as their thermal shock resistance, strength, and abrasion resistance.
Catalysts: Silica sol can be used as a support material for catalysts, providing a high surface area and improving the catalytic activity and selectivity of the catalyst.
Textiles: Silica sol can be used in the production of textiles to improve their durability and resistance to wrinkling and shrinking.
Paper and Packaging: Silica sol can be used in paper and packaging to improve their strength, reduce their permeability, and prevent the growth of microorganisms.
Personal Care Products: Silica sol is used in some personal care products, such as toothpaste and sunscreen, as a thickener and as an abrasive to help remove plaque and dead skin cells.
Overall, the use of silica sol provides a versatile and effective solution for a wide range of industrial and consumer applications.