The United Arab Emirates (UAE) has experienced rapid urbanization and infrastructure development over the past decades. High-rise buildings, expansive highways, and world-class commercial complexes demand innovative construction materials that combine strength, lightweight properties, and thermal insulation. Expanded perlite, a volcanic glass processed by heating, has emerged as a preferred lightweight aggregate in the region. It is widely used in lightweight concrete, plaster, insulation boards, and fireproof coatings. To meet the specific requirements of construction applications, perlite is often ground to a controlled fineness – typically 80 mesh (approximately 177 microns) – ensuring optimal workability, bonding, and thermal performance. Selecting the right grinding mill is critical for achieving consistent 80-mesh output with high efficiency and low operating costs.
Perlite is a naturally occurring siliceous volcanic rock. When crushed and heated rapidly, it expands up to 20 times its original volume, forming a lightweight, porous material. The expanded perlite is then used as an aggregate. However, for certain applications like cementitious mixtures or textured coatings, the perlite must be ground to a finer particle size. An 80-mesh product means that 100% of the material passes through a sieve with 80 openings per linear inch (0.177 mm). This fineness provides a balance between flowability and adhesive properties. Grinding perlite presents several challenges: the material is moderately hard (Mohs hardness 5.5–6.5), has a high silica content which causes abrasion, and can generate dust. Therefore, the grinding mill must be robust, energy-efficient, and equipped with advanced dust collection systems.
When selecting a mill for producing 80-mesh perlite aggregate, construction material producers in the UAE prioritize:
Shanghai Zenith Machinery Co., Ltd. has a rich portfolio of grinding mills that address these requirements. The company is recognized as an excellent manufacturer of ore grinding equipment in China, with extensive achievements in ultra-fine powder grinding. Their mills are designed with advanced technology, robust construction, and intelligent control systems, making them ideal for perlite processing in the UAE.
Based on the target fineness of 80 mesh (177 μm) and the typical production capacities needed for construction aggregate, we recommend two outstanding models from Zenith: the MTW Trapezium Grinding Mill and the LM Vertical Grinding Mill. Both mills are capable of producing a consistent 80-mesh product while offering distinct advantages in different plant configurations.
The MTW series is a multi-patented grinding mill known for its compact structure, long service life, and eco-friendly operation. It uses a trapezium-shaped grinding roller and ring, which increases the grinding area and improves efficiency. For perlite, the MTW mill can accept feed sizes up to 50 mm and produce final fineness adjustable from 1.6 mm to 0.038 mm (10–400 mesh). To achieve exactly 80 mesh, the classifier speed and air volume are easily adjusted. The following table presents the technical parameters of the most suitable MTW models for 80-mesh perlite aggregate production in the UAE.
| Model | Max. Feed Size (mm) | Final Size (mm) | Capacity (t/h) | Main Motor (kW) | Fan Motor (kW) |
|---|---|---|---|---|---|
| MTW138Z | <35 | 0.177 (80 mesh) | 6–17 | 90 | 110 |
| MTW175G | <40 | 0.177 (80 mesh) | 9.5–25 | 160 | 200 |
The MTW138Z offers a compact footprint, making it ideal for medium-scale production lines, while the MTW175G delivers higher capacity for large quarries. Both models feature a three-dimensional structure that reduces floor space, and an integrated classifier ensures precise cut points for 80 mesh. The grinding roller and ring are made of high-manganese steel and wear-resistant alloy, extending service life when processing abrasive perlite.
The LM Vertical Grinding Mill integrates crushing, grinding, drying, classifying, and material conveying in one unit. Its vertical layout minimizes occupational area, which is advantageous in space-constrained UAE factories. The mill is capable of producing fineness ranging from 170 μm to 40 μm (about 90–400 mesh). By adjusting the separator speed, an 80-mesh product is easily achieved. For perlite, the LM series offers exceptional energy savings due to its low energy consumption per ton and high drying efficiency (if moisture content is a concern). Below are the recommended models for 80-mesh perlite aggregate.
| Model | Plate Diameter (mm) | Capacity (t/h) | Output Fineness (μm) – adjustable | Max Feed Size (mm) | Main Motor (kW) |
|---|---|---|---|---|---|
| LM130K | 1300 | 10–28 | 170–40 (≈90–400 mesh) | <38 | 200 |
| LM190K | 1900 | 23–68 | 170–40 | <45 | 500 |
The LM130K is suitable for medium-capacity operations, while the LM190K handles high-throughput requirements. Both models feature a patented grinding roller assembly with automatic lubrication, reducing maintenance intervention. The mill’s classifier system uses a high-efficiency motor, enabling precise adjustment of perlite fineness to 80 mesh without mechanical modifications.
Both the MTW Trapezium Mill and LM Vertical Mill offer distinct operational benefits when grinding perlite to 80 mesh:
A major construction materials supplier in Abu Dhabi recently installed an MTW175G mill from Zenith to produce 80-mesh perlite aggregate for lightweight concrete blocks. The plant runs 20 hours per day, processing about 18 t/h of expanded perlite. The mill consistently produces a product with 95% passing 80 mesh and a uniform particle shape, improving the workability of their concrete mix. The customer reported a 25% reduction in energy costs compared to their previous ball mill setup, and a 40% longer service interval for grinding rollers. This success story demonstrates the reliability of Zenith’s technology in the demanding UAE environment.
As the construction sector in the UAE continues to grow, the demand for high-quality lightweight aggregates like ground perlite will remain strong. Achieving a precise 80-mesh product requires a grinding mill that balances efficiency, durability, and flexibility. Shanghai Zenith Machinery offers proven solutions with the MTW Trapezium Grinding Mill and LM Vertical Grinding Mill — both capable of delivering consistent 80-mesh output while minimizing operating costs. With decades of experience in powder grinding and a global service network, Zenith is the trusted partner for perlite processors in the UAE. Contact Zenith today to discuss your specific capacity requirements and receive a customized plant design.
