I. Chemical nature and performance advantages of liquid potassium silicate with modulus 3.6-3.8
(I) Chemical nature
Liquid potassium silicate is a colorless or slightly colored transparent liquid formed by potassium silicate dissolved in water. Its modulus is a key indicator to measure its performance, representing the molar ratio of silicon dioxide to potassium oxide in liquid potassium silicate. When the modulus is between 3.6-3.8, the molecular structure of liquid potassium silicate reaches an ideal equilibrium state, and the degree of polymerization of silicon-oxygen tetrahedron is moderate, which not only ensures moderate cross-linking between molecules, but also maintains good water solubility, promoting the optimization of various aspects of performance.
(II) Performance advantages
Modulo(M):3.6-3.8 Liquid potassium silicate has high viscosity and strength. High viscosity enables it to quickly adhere to the surface of the material and penetrate the pores when used as a binder to form a tight bond; high strength ensures that the formed structure can withstand various external forces and is not easily damaged. At the same time, it has good chemical stability and can maintain stable properties and performance under different environments. Tongxiang Hengli Chemical Co., Ltd. relies on advanced production technology to accurately control the production process to ensure the stable performance of the output liquid potassium silicate.
II. Excellent performance in the field of coatings
(I) Improving coating stability
Coating stability is related to service life and effect. Liquid potassium silicate with a modulus of 3.6-3.8 can be fully integrated with resins, pigments, fillers, etc. in coatings. During storage, it can prevent the sedimentation and stratification of pigments and fillers; during use, it ensures that all components are evenly dispersed to make the coating performance uniform, effectively avoiding stratification and precipitation problems during storage and use of coatings. The company produces more than 200,000 tons of various inorganic silicate products annually. With large-scale production capacity, it provides a stable supply of high-quality raw materials for the coating industry.
(II) Enhance the water resistance of coatings
Its special molecular structure can form a dense protective film on the surface of the coating. The film is composed of a silicon-oxygen bond network that is difficult for water molecules to penetrate. For coatings used in humid environments such as bathrooms and basements, the coating is not easy to bubble or fall off even if it is in humid conditions for a long time, which significantly improves the water resistance of the coating and extends the service life of the coating.
(III) Improving the mechanical properties of the coating
The coating made of this liquid potassium silicate has good hardness and wear resistance. In daily use, such as wall coatings being rubbed by furniture and floor coatings being stepped on by pedestrians, this type of coating can resist friction and collision, and the surface is not prone to scratches and wear, which improves the practical value of the coating and maintains the beauty and protective function of the coating.
III. Important applications in the casting industry
(I) Bonding effect in sand casting
In the sand casting industry, when liquid potassium silicate with a modulus of 3.6-3.8 is used as a binder, it quickly and tightly combines with the molding sand particles due to its high viscosity. During the sand mixing process, the surface of the molding sand is evenly wrapped to form a bonding film. Over time, the bonding film hardens and firmly bonds the molding sand particles to construct a sand mold with a certain strength and dimensional accuracy. Tongxiang Hengli Chemical Co., Ltd. has a rich variety of products, providing a variety of choices for the foundry industry. The modulus liquid potassium silicate produced by it has won the trust of many foundry companies with its excellent bonding performance.
(II) Key role in precision casting
Precision casting has extremely high requirements for mold accuracy and stability. The modulus liquid potassium silicate can also play an excellent bonding performance. When making the investment casting shell, it is mixed with refractory materials and coated on the surface of the wax mold. After multiple layers of coating, it is dried and hardened to form a hard shell. During the high-temperature roasting and pouring process, the shell maintains a stable structure, effectively avoiding defects such as sand holes and sticky sand, improving the quality and yield of castings, and meeting the needs of precision casting for high-quality castings.
IV. Important contributions in the field of refractory materials
(I) Fusion with refractory aggregates
Refractory materials need to maintain stable structure and performance at high temperatures. Liquid potassium silicate with a modulus of 3.6-3.8 can be fully mixed with various refractory aggregates such as corundum, mullite, and high-alumina bauxite. During mixing, it wets the surface of aggregate particles, fills the pores between particles, and makes the refractory aggregate tightly combined.
(II) Performance changes at high temperatures
In high-temperature environments such as steelmaking, ironmaking furnaces, glass manufacturing, and ceramic firing kilns, the liquid potassium silicate reacts chemically with refractory aggregates to form a hard ceramic phase. This ceramic phase has high strength, high hardness and good corrosion resistance, can resist high-temperature slag and gas corrosion, enhance the strength and corrosion resistance of refractory materials, extend the service life of equipment, and reduce the cost of equipment maintenance and replacement.
V. Application value in the electronics field
(I) Meet the requirements of electronic packaging
The electronics field has strict requirements on material performance. Liquid potassium silicate with a modulus of 3.6-3.8 has good insulation performance and chemical stability, which can meet the strict requirements of electronic components for packaging materials. As the main component of electronic packaging glue, it can form an insulating protective coating on the surface of electronic components to prevent short circuits and protect components from external environmental influences.
(II) Ensure stable signal transmission
At the same time, the packaging material formed by the liquid potassium silicate will not interfere with electronic signals, and can ensure stable transmission of electronic signals. In the packaging of precision electronic devices such as integrated circuits and chips, its stability can ensure the normal operation and reliability of electronic equipment, and provide high-quality basic materials for the development of the electronics industry.
VI. Unique applications in the agricultural field
(I) Soil improvement
Liquid potassium silicate with a modulus of 3.6-3.8 can be used as a soil conditioner to adjust the pH of the soil. The potassium ions and silicate ions it contains react with the acidic substances in the acidic soil to neutralize the acidity of the soil; it can also increase the air permeability and water retention of the soil, improve the soil structure, make the soil loose and porous, and facilitate the growth and breathing of plant roots. Tongxiang Hengli Chemical Co., Ltd., relying on its advantages in a wide range of product applications, promotes this product to the agricultural field to help promote sustainable agricultural development.
(II) Promote plant growth
It can also provide plants with silicon, which can enhance the strength of plant cell walls, make plant stems tough, and enhance the ability of plants to resist pests and diseases and lodging. In the planting of crops such as rice and wheat, the use of this liquid potassium silicate to improve the soil has reduced the incidence of crops, and significantly improved the yield and quality.
VII. Application in the clothing and papermaking industries
(I) Application in the clothing industry
In the clothing finishing process, liquid potassium silicate with a modulus of 3.6-3.8 can be used as a waterproof and anti-fouling finishing agent. After being coated on the surface of clothing fabrics, it forms a transparent protective film to prevent moisture and stains from penetrating, giving the clothing good protective properties, and does not affect the breathability and softness of the clothing, maintaining wearing comfort. It is widely used in outdoor clothing, workwear and other fields.
(II) Application in the papermaking industry
In the papermaking industry, it can be used as a paper enhancer and waterproof agent. As an enhancer, it combines with paper fibers to increase the bonding force between fibers and improve the strength of paper; as a waterproof agent, it forms a waterproof film on the surface of paper to prevent moisture damage, meeting the production needs of different types of paper such as packaging paper and waterproof printing paper.
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