How Fine A Mesh Can A Colloid Mill Produce?
Jun 19, 2025| Products Description
Colloid mill is a kind of equipment commonly used for micronization of wet materials, and is widely used in food, chemical, pharmaceutical and other industries. Its working principle is to achieve the effect of refinement, homogenization and emulsification by the relative movement between the high-speed rotating rotor and the stator to strongly shear, rub and impact the material.
Fineness Capacity of Colloid Mill
The fineness of a colloid mill is one of the important indicators of its performance. Fineness is usually expressed in "mesh". The higher the mesh number, the finer the material is ground. The fineness of a colloid mill is affected by many factors, including the model of the equipment, the rotation speed, the gap between the grinding discs, and the nature of the processed material.
Generally speaking, when an industrial-grade colloid mill processes most materials, the fineness can reach 200 to 400 mesh. This means that the particle diameter of the material after being processed by the colloid mill is in the range of tens to hundreds of microns. For some materials with special requirements, even finer particle sizes can be achieved by adjusting the working parameters of the colloid mill.
| Model | Voltage | Power KW | Output KG/h | Weight KG | Dimensions (mm) |
| Gn-50 | 380/50HZ | 220V/1.5 | 10-30 | 65 | 610*400*700 |
| GN-80 | 380/50HZ | 4 | 50-100 | 210 | 850*450*930 |
| GN-110 | 380/50HZ | 7.5 | 100-200 | 300 | 850*450*1000 |
| GN-130 | 380/50HZ | 11 | 200-300 | 350 | 1000*500*1200 |
| GN-180 | 380/50HZ | 18.5 | 500-800 | 420 | 1050*550*1250 |
| GN-220 | 380/50HZ | 30 | 600-900 | 480 | 1080*600*1300 |
| GN-240 | 380/50HZ | 37/45 | 1000-1500 | 1300 | 1400*600*1350 |
| GN-300 | 380/50HZ | 75/90 | 3000-5000 | 1600 | 1500*700*1450 |
Factors affecting colloid grinding fineness
Model and speed: Different models of colloid mills have different speed ranges and processing capabilities. Generally speaking, high-speed colloid mills can generate stronger shear force and friction, thereby grinding the material finer.
Grinding disc gap: The size of the grinding disc gap directly affects the grinding effect of the colloid mill. Too small a gap may cause material blockage or increased equipment wear; too large a gap may reduce grinding efficiency and affect fineness. Therefore, in actual operation, it is necessary to reasonably adjust the grinding disc gap according to the properties of the material and grinding requirements.
Material properties: The hardness, viscosity, water content and other properties of the material will affect the fineness of the colloid mill. For example, materials with higher hardness require stronger grinding force to achieve the ideal fineness; while materials with higher viscosity may need to add an appropriate amount of diluent during the grinding process to reduce viscosity and improve grinding efficiency.
In summary, the fineness of the colloid mill is a comprehensive indicator, which is affected by many factors. In practical applications, it is necessary to select the appropriate colloid mill model and working parameters according to specific needs and material properties to achieve the best grinding effect.
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