Bead mill for paint is core wet grinding equipment specialized for paint manufacturing. It uses tiny ceramic or zirconia beads to crush pigment agglomerates, realizing fine particle dispersion and uniform color rendering. This equipment delivers stable grinding results, improving paint gloss, hiding power and storage stability.Paint bead mill supports continuous mass production of water-based, oil-based and industrial coatings. It features good heat dissipation, easy operation and low maintenance cost, widely adopted by paint factories to boost production efficiency and finished product quality.
Ultra-Compact Vertical Footprint
High-Speed Rotor (Up to 750 rpm)
Optimized for Low-Viscosity FlowThe ZLLS series vertical sand mill, also known as bead mill for paint, is engineered for low-viscosity materials with a unique bottom-to-top pressurized flow, ensuring 100% material passes through the grinding chamber with no dead zones or residue. Compared with conventional horizontal mills, this paint bead mill design delivers superior efficiency, higher energy utilization, and a narrower, more uniform particle size distribution. With its vertical structure combined with centrifugal and dynamic separation systems, ZLLS guarantees smooth discharge, reduced energy consumption, and lower maintenance costs. It is especially suited for industries requiring ultra-fine, safe, and continuous production—such as inkjet inks and electronic pastes—making it an ideal solution for modern precision grinding.


Many paint factories face severe space constraints. Expanding production lines with long horizontal mills is often physically impossible. Furthermore, highly fluid, low-viscosity paints process differently—they can flow rapidly and don't require the aggressive material-pushing mechanics of high-viscosity mills.
The ZLLS Series, a professional bead mill for paint, is specifically engineered for low-viscosity paint and ink applications in a vertical orientation. By standing the grinding chamber upright, this paint bead mill saves up to 50% of the factory floor space. Driven by a high-speed 700-750 rpm spindle, it relies on intense centrifugal force and gravity-assisted flow to rapidly shatter pigment agglomerates in fast-flowing liquid streams.

The vertical design drastically reduces the installation footprint, allowing multiple ZLLS units to be arrayed closely together in high-density production environments. This bead mill for paint boasts compact structural advantages suitable for intensive workshop layout.

Because the target materials (like thin inks and automotive clear coats) offer less physical resistance, the ZLLS utilizes higher spindle speeds to maximize bead kinetic energy and achieve rapid nano-scale dispersion. Such working mode perfectly matches the processing demands of paint bead mill.

The vertical orientation makes opening the chamber, inspecting the seal, and dumping or loading grinding media significantly easier and cleaner than on horizontal machines.
| Model | Grinding Chamber Volume (L) | Production Capacity (L/h) | Main Motor Power (kw) | Spindle Speed (rpm) | Weight (kg) | Size (mm) | |
| ZLLS20 | 20 | 150-250 | 30 | 750 | 1600 | 1400*1000*2200 | |
| ZLLS30 | 30 | 200-350 | 37 | 700 | 1800 | 1400*1000*2200 | |
Fast-Flowing Paints
Thin Printing Inks
Specialty ChemicalsIf you have limited factory floor space, the vertical ZLLS is the superior choice. Additionally, vertical mills make grinding bead replacement and chamber cleaning faster due to gravity assistance when draining the machine.
We do not recommend this. High-viscosity pastes require much more torque and lower speeds to prevent overheating and motor strain. For thick pastes, you should use our ZLWG or ZLLG series.
Our bead mill for paint adopts high-efficiency dispersion structure, evenly crushes paint raw materials, reduces grinding time, stable operation, meets mass paint manufacturing standards with long service life.
This paint bead mill fits ink, coating and color paste processing, equipped with wear-resistant grinding chamber, adjustable grinding speed to match different material fineness demands.
Our paint bead mill features detachable internal components, simple cleaning steps, complete supporting spare parts, we provide full operation and maintenance training for all cooperative buyers.