The Egyptian industrial landscape, particularly in the paints and coatings sector, is witnessing significant growth. A key raw material driving this expansion is diatomite, a naturally occurring, soft, siliceous sedimentary rock. Its unique properties—high porosity, low density, chemical inertness, and high absorbency—make it an exceptional functional filler and extender in coating formulations. It improves matting, texture, durability, and coverage. However, to fully unlock its potential in high-value coatings, the raw diatomite must be processed into a fine, consistent powder. This underscores the critical importance of selecting the right diatomite grinding mill for production lines targeting outputs of 5 to 10 tons per hour (TPH), a common range for medium-scale coating manufacturers in Egypt.
Grinding diatomite for coating applications presents specific challenges. The target fineness typically ranges from 200 to 1250 mesh (approximately 74 to 10 microns), requiring equipment capable of efficient ultra-fine grinding. Diatomite’s abrasive silica content can cause rapid wear on grinding components, impacting product purity and maintenance costs. Furthermore, the material’s natural moisture content and the need for a dry final product necessitate integrated drying capabilities. Energy efficiency, space constraints in industrial plants, and the demand for a stable, narrow particle size distribution are paramount for consistent coating quality and profitable operation.

For a 5-10 TPH diatomite grinding line in Egypt, the chosen mill must excel in several areas:
Shanghai Zenith Machinery Co., Ltd., a leading manufacturer of ore and industrial powder grinding equipment, offers engineered solutions perfectly suited for diatomite processing. With extensive experience in ultra-fine powder technology, Zenith provides robust and efficient mills that meet the exacting demands of the coatings industry.
For a 5-10 TPH diatomite grinding project, two of our flagship products stand out as optimal choices: the LM Vertical Grinding Mill and the LUM Ultrafine Vertical Mill.
The LM Vertical Grinding Mill is an ideal choice for diatomite processing due to its all-in-one design. It integrates crushing, grinding, drying, powder classification, and conveying into a single, compact unit. This is particularly advantageous for Egyptian plants with limited space. Its hot air source can effectively dry diatomite with moderate moisture during the grinding process. The grinding roller and plate are made from high-wear-resistant materials, ensuring longevity against abrasive silica.
For a 5-10 TPH requirement, the LM130K model is highly recommended. Its parameters align perfectly with the production goals and fineness needs of coating-grade diatomite.
| Model | Plate Diameter (mm) | Capacity (t/h) | Output Fineness (μm) | Max Feed Size (mm) | Main Motor (kW) |
|---|---|---|---|---|---|
| LM130K | 1300 | 10-28 | 170-40 (~90-400 mesh) | <38 | 200 |
This model comfortably covers the 5-10 TPH target, with room for future expansion. Its ability to produce powder down to 40 microns (approx. 400 mesh) meets the requirements for many coating applications.

For coating producers targeting the higher end of the fineness spectrum (e.g., 800-1250 mesh), the LUM Ultrafine Vertical Mill is the superior choice. It represents the pinnacle of Zenith’s ultra-fine grinding technology. It features advanced material layer grinding principles and an highly efficient powder classifier, ensuring lower energy consumption and a more uniform product with a high content of end-fines. Its intelligent control system simplifies operation and maintenance.
The LUM1525 model is exceptionally well-suited for a high-quality 5-10 TPH diatomite powder line focused on ultra-fine products.
| Model | Main Machine Power (kW) | Capacity (t/h) | Size Distribution D97 (μm) |
|---|---|---|---|
| LUM1525 | 220-250 | 1.6-11.5 | 5-30 (~500-2500 mesh) |
With a capacity range that squarely encompasses the 5-10 TPH target and the capability to achieve a D97 of 5-30 microns (approx. 500-2500 mesh), the LUM1525 is the definitive solution for producing high-value, ultra-fine diatomite fillers for advanced coatings, inks, and sealants.
Establishing an efficient 5-10 TPH diatomite grinding line is a strategic investment for coating producers in Egypt. The choice of grinding mill directly impacts product quality, production costs, and plant operational efficiency. Shanghai Zenith Machinery Co., Ltd., with its deep expertise and proven product lines like the LM Vertical Grinding Mill and the LUM Ultrafine Vertical Mill, provides reliable, high-performance solutions tailored to the specific needs of the diatomite and coatings industry.
By leveraging Zenith’s technology, Egyptian manufacturers can ensure a consistent supply of high-quality diatomite powder, enhance their coating products’ performance, and strengthen their competitive position in both domestic and regional markets.
