Introduction: invisible influence factor
Many defects in ceramic production, such as wind cracking, pinholes, deformation, etc., often appear in the firing stage, but their roots are usually hidden in the early mud preparation. Decoagulants can eradicate these persistent diseases from the microscopic level by optimizing the particle arrangement.
Elimination of "Internal Stress": Prevention of Drying Cracks
In the High-Pressure Casting process,The mud is rapidly dehydrated under high pressure to form a green body.
Uniformity of particle packing: Efficient decoagulants ensure that the Clay particles (Kaolin/Ball Clay) are completely dispersed in the slurry, avoiding the formation of tiny "flocs". This uniformity allows the shrinkage throughout the green body to remain highly consistent.
Data support: According to the well-dispersed slurry, the drying sensitivity coefficient of the green body can be reduced by about 20%, which directly reduces the microcracks caused by local stress concentration.
optimize drainage dynamics: Eradicate" glaze pinholes and bubbles "
Glaze defects often originate from residual gas or excessive porosity inside the body.
The key to densification: The decoagulant can significantly increase the solids content of the slurry to more than 70%. A high solids slurry means less free water and finer capillary pores.
When using our high-pressure grouting equipment, the precise decoagulation formula can make the structure of the filter cake layer more compact,Prevent the sudden change of capillary pressure at the moment of demoulding from inhaling air, thus eliminating the cause of pinhole on the glaze after firing at the source.
Improve "green strength": Reduce trimming and transportation loss
Unfired green body is easily damaged during trimming and clamping line or transportation.
The connection between molecules: Modern organic decoagulants (such as sodium polyacrylate) not only play a dispersing role,The long-chain molecules can also play a certain bridging effect between the particles to improve the flexural strength of the green body.
For complex types such as intelligent toilets, the use of the decoagulation system recommended by Senlant can reduce the breakage rate of green blanks by more than 5%.