Ceramic pulley lagging is a significant upgrade over conveyor rubber pulley lagging, offering a combination of high friction and durability that is valuable in mining, quarrying, and heavy industry. By effectively preventing belt slippage, it delivers more consistent conveyor drive performance, meaning belts run at the correct speed without jerking or stalling. At the same time, its toughness against abrasion and excellent bonding make it last longer and protect the roller from damage, even under conditions that would cause rapid failure of normal lagging. Whether dealing with water spray, slurry, or simply the need for greater power transmission, ceramic pulley lagging provides a proven solution that improves belt traction, keeps conveyors aligned, and reduces maintenance
Description
Ceramic pulley lagging is a specialized pulley covering that combines ceramic tiles within a rubber compound to increase friction and durability on conveyor belt drive systems. It provides a long-term solution in applications where common conveyor rubber pulley lagging fails, correcting belt slippage, and preventing premature wear of both the lagging and the belt. By using ceramic surfaces in the pulley lagging, conveyors gain significantly more grip on the belt (especially under wet or muddy conditions) while achieving a much longer service life than rubber lagging. In short, upgrading to ceramic pulley lagging helps maintain efficient, continuous operations with fewer stoppages, increasing productivity in mining and industrial material handling.
Ceramic lagging often incorporates a combination of rubber and ceramic that yields synergistic benefits. The rubber backing helps absorb impacts and conform to the belt, while the ceramic inserts provide grip and cutting resistance. This combination sheds water and dirt off the pulley, self-cleaning the contact surface so that material buildup (a major cause of belt mis-tracking) is minimized. The result is improved belt alignment and fewer frequent cleaning stops. In summary, choosing ceramic pulley lagging is about boosting traction, extending wear life, and improving the overall reliability of conveyor operation in difficult conditions.
Technical Specifications:
| Item | Description | Technical Parameter |
| Ceramic Pulley Lagging | Al2O3 Content | ≥95% |
| Adhesion between ceramic tile and rubber | > 10kgf/mm2 | |
| Adhesion between ceramic lagging and the surface of metal | > 12kgf/mm2 | |
| Tear strength | > 13kgf/mm2 | |
| Elongation at break. | > 300% | |
| Permanent deformation at break | <30% | |
| Surface Friction Coefficient | 0.75-0.84 | |
| Polymer | BR/NR / SBR | |
| Ceramic Tile Working Temperature | -40℃ ~ +80℃ | |
| Shore a (hardness ) | 62 |
Advantages
Increased Traction & No Slip: Embedded ceramic tiles greatly raise the pulley’s coefficient of friction against the belt, improving grip and virtually eliminating troublesome belt slippage
Improved Belt Tracking: Ceramic lagging designs feature grooves or dimpled tile patterns that actively shed water and fines. This self-cleaning action reduces material buildup on the pulley, helping the belt track true and centered by removing a common source of misalignment
Lower Belt Tension Required: With the lagging’s higher friction, the conveyor can often be run with a lower belt tension to achieve the same drive force. This reduces strain on belts, pulleys, and bearings, and can decrease energy consumption
Extreme Wear Resistance: The alumina ceramic tiles and superior rubber compound offer superior resistance to abrasion and wear.
Superior Adhesion & Tile Security: Advanced bonding techniques are used to permanently secure the ceramic tiles. Quality designs also encase each tile in rubber to enhance rubber-to-tile bonding
Resistance to Aging: The rubber compounds used in high-grade ceramic lagging are formulated to remain stable and flexible over time
Easy On-Site Installation: Ceramic lagging is often supplied in strip or sheet form (commonly around 250–500 mm wide) with pre-buffed surfaces and bonding layers. This allows for quick cold-bond installation or replacement in the field – the strips can be applied to the pulley in place, without needing specialized vulcanizing equipment.
Less Maintenance Downtime: With its longer wear life and secure bonding,it reduces how often you need to shut down and re-lag a pulley. It also helps protect the belt from damage
Feature
High-Alumina Ceramic Tiles: The ceramic inserts are typically made from a high-grade aluminum oxide (often 95% Al₂O₃ alumina), which provides the hardness and abrasion resistance needed for long wear life
Embedded and Encapsulated Tiles: In quality lagging, the ceramic tiles are molded into a resilient rubber backing so that they are fully embedded. This construction is critical for withstanding the high tensions and occasional pulley impacts in service.
Pre-Buffered Bonding Layer: To facilitate strong attachment to the pulley, many ceramic lagging products come with a bonding layer on the underside.These features contribute to outstanding rubber-to-metal, rubber-to-ceramic, and rubber-to-rubber bonding strength throughout the lagging
Standard Sizes and Thicknesses: The lagging in strip form (continuous rolls) is about 300 to 500 mm wide (approximately 10″–20″), and the thickness is either 12–16 mm (≈1/2″) for standard duty or 20–25 mm (≈1″) for heavy-duty applications. These standard sizes make it convenient to match lagging to pulley face widths; strips can be cut to the exact face width or supplied with a slight overhang to trim on installation
FRAS grade: This ceramic pulley lagging uses rubber compounds formulated to limit flame propagation and dissipate static electricity, and they still maintain the high traction and wear benefits.
Applications
Mining and Bulk Material Handling
Aggregate & Cement Plants
Bulk Shipping Terminals
Industrial Manufacturing & Recycling
Mining/Underground
Most suitable for Drive/Tail Pulleys and Snub/Bend Pulleys
