Properties of Silica Sol

Silica sol is a dispersion of nano-silica particles in water or solvent, which is an odorless and non-toxic colloidal solution. Silica sol is a dispersion of nano-silica particles in water or solvent. Since the silica in the silica sol contains a large amount of water and hydroxyl groups, the silica sol can also be expressed as SiO2.nH2O

Properties of water glass

The water glass is in a water glass solution state. In the south, it is called water glass, and in the north, it is called effervescent alkali. Water glass is an aqueous solution of water glass. In the system with water as dispersant, sodium silicate is a colorless, light-colored transparent or translucent viscous liquid. Solid sodium silicate is a colorless, light-colored transparent or translucent glass block. It can be divided into liquid quenching, solid quenching and water quenching. In theory, this substance is called a "colloid".

How to distinguish between silica sol and water glass

1. They have different characteristics as mentioned above.

2. Different purposes.

The main uses of silica sol are as follows:

1. It is used as a binder for various refractory materials, with strong adhesion and high temperature resistance (1500℃-1600℃).

2. Used in the coating industry, it can make the coating firm, and has anti-pollution, dust-proof, anti-aging, fire-proof and other functions.

3. It is used for precision casting of thin shells, making the shell shape firm and the castings with high smoothness. The molding quality of water glass is better than that of water glass. It can reduce costs and improve operating conditions.

4. Silica sol has a high specific surface area and can be used for the preparation of catalysts and the preparation of catalyst supports.

5. It can be used in the paper industry, such as cellophane release agent, photographic paper pretreatment agent, cement bag anti-slip agent, etc.

6. It can be used as a sizing agent in the textile industry. Used in conjunction with oil, it can effectively deal with the spinnability of wool and rabbit hair, reduce broken ends, prevent flying flowers, increase output and increase economic benefits.

7. Used as silicon steel sheet treatment agent, picture tube dispersant, floor wax anti-slip agent, etc.

The uses of water glass are as follows: In chemical production, it is used to produce silicate products such as silica gel, silica, zeolite molecular sieve, sodium metasilicate pentahydrate, silica sol, layered silicon, instant powder sodium silicate, potassium silicate, etc. , is the basic raw material for synthesizing silicon compounds; in light industry, it is an indispensable raw material for detergents such as washing powder and soap, and also a water softener and sedimentation aid in the textile industry, used for dyeing, bleaching and sizing; in the machinery industry In the construction industry, it is widely used in the production of quick-drying cement, acid-resistant cement waterproof oil, soil curing agent, refractory materials, etc.; in the agricultural field, it can be used to make silicon fertilizer In addition, it can also be used as silicon aluminum catalyst, soap filler, corrugated material for petroleum catalytic cracking, paper adhesive, etc., metal preservative, water softener, detergent additive, refractory material and ceramic raw material