While ceramic products improve people's quality of life, the raw materials of ceramic floor tiles are also gradually updated. Due to the non renewable nature of high-quality clay, in the production process of ceramic floor tiles, high-quality clay gradually decreases and the proportion of clay with more barren materials gradually increases. In the production process, sodium tripolyphosphate will be added to reduce the decline of drying strength of ceramic body, serious defects such as cracks, broken corners and missing edges, and improve the yield.

Sodium tripolyphosphate is also known as coagulant, dispersant, water reducing agent and diluent in ceramic degumming agent. The main function is to improve the electromotive potential of the system, so as to improve the fluidity of the slurry.

1. It can be widely used in mud making, slurry grinding and process (including barren raw materials).

2, the mud can be fluidity and low viscosity to meet the requirements of spray or mold filling and leveling.

3. Adding sodium tripolyphosphate can also reduce the water content of slurry, prevent shrinkage and deformation cracking during green body drying, and reduce the damage rate of green body.

4. The slurry has high stability and good quality.

5. It can lubricate and aid grinding between slurry particles, shorten ball milling time, improve work efficiency and save energy consumption.

6. Convenient feeding and accurate measurement can reduce labor intensity and greatly reduce production cost.

For example, in the production of ceramic floor tiles, the water content of the slurry is generally controlled at 29% to 34%, but under the condition of such low water content, the fluidity of the slurry containing clay minerals is very poor. In order to solve this problem, sodium tripolyphosphate is added to improve the dispersion of particles in the dispersion system ζ So that the slurry particles can maintain a relatively stable distance in the dispersion medium without agglomeration and deposition. Macroscopically speaking, the slurry stability of the dispersion system is maintained.

Although the amount of sodium tripolyphosphate in use is small, it needs to be properly adjusted according to the fluctuation of raw materials and process conditions of ceramic floor tiles, and special attention should be paid to the composition of clay raw materials (mineral composition and particle composition).