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Alumina Tiles And Composite Liners
Our ceramic range has three different alumina composition (92%, 95% and ZTA) products to suit the various mining applications.
Composite Ceramic Liners & Mats
REXLINE™ ceramic wear liners range include composite ceramic liners or Steel backed and studded as per requirements. We also have a range of molded ceramic in rubber with CN backing. The liners can be customized depending on the application.
Ceramic Liners Tile Format
| Steel Backed Ceramic Liners | ||||
| Tile Thickness | Tile size in mm | Rubber in mm | Steel in mm | Liner Sizes (mm) |
| 32mm | 20 | 6 | 6 | 300/150 |
| 300/300 | ||||
| 300/450 | ||||
| 300/600 | ||||
| 450/450 | ||||
| 64mm | 50 | 8 | 6 | 300/150 |
| 300/300 | ||||
| 300/450 | ||||
| 300/600 | ||||
| 450/450 | ||||
| 37mm | 25 | 6 | 6 | 300/150 |
| 300/300 | ||||
| 300/450 | ||||
| 300/600 | ||||
| 450/450 | ||||
| 69mm | 55 | 8 | 6 | 300/150 |
| 300/300 | ||||
| 300/450 | ||||
| 300/600 | ||||
| 450/450 | ||||
Composite Ceramic Data Sheet
| Technical Data of the Ceramics | |||
| Description | 92% Ceramics | 95% Ceramics | ZTA |
| Alumina Content | 92% | 95% | – |
| Density (g/cm³) | 3.61 | 3.62 | 4.1 |
| Rockwell Hardness (HRA) | 85 | 88 | 90 |
| Vickers’ Hardness (HV10) | 1200 | 1350 | 1400 |
| Fracture Toughness (KIC or MPa.√m) | 3.6 | 4.1 | 5.5 |
| Compressive Strength (MPa) | 2000 | 2281 | 2924 |
| Wear Volume (cm³) | 0.02 | 0.017 | 0.009 |
Technical Data of the Rubber
| Items | Index |
| Elongation | ≥ 450% |
| Tensile Strength | ≥ 180 MPa |
| Break Extension | ≥ 500% |
| Shore Hardness | 55 – 65 HA |
| Tear Strength | ≥ 70 KN/M |
| Break Permanent Deformation | ≤ 24% |
| Rubber and Ceramic Adhesion Force | ≥ 3.0 MPa |
| (Shearing Stress) | |
| Temperature Resistance | ≤ 100˚ C |
| Rubber Aging Life | ≥ 8 years |
| Gap Between Tile | 0.8 – 2.0 mm |
| Rubber Edge | 1.5 – 2.0 mm |
Technical Specifications
| Description | 92% Ceramics | 95% Ceramics | ZTA |
| Alumina Content | 92% | 95% | – |
| Density (g/cm³) | 3.61 | 3.62 | 4.1 |
| Rockwell Hardness (HRA) | 85 | 88 | 90 |
| Vickers Hardness (HV10) | 1200 | 1350 | 1400 |
| Fracture Toughness, Kic (Mpa.m½) | 3.6 | 4.1 | 5.5 |
| Compressive Strength (MPa) | 2000 | 2281 | 2924 |
| Wear Volume (cm³) | 0.02 | 0.017 | 0.009 |
Technical Data Sheet Of REXLINE™ Ceramic Liner
| Technical Data of the Rubber | |
| Items | Index |
| Elongation | ≥ 450% |
| Tensile Strength | ≥ 180 MPa |
| Break Extension | ≥ 500% |
| Shore Hardness | 55 – 65 HA |
| Tear Strength | ≥ 70 KN/M |
| Break Permanent Deformation | ≤ 24% |
| Rubber and Ceramic Adhesion Force | ≥ 3.0 MPa |
| (Shearing Stress) | |
| Temperature Resistance | ≤ 100˚ C |
| Rubber Aging Life | ≥ 8 years |
| Gap Between Tile | 0.8 – 2.0 mm |
| Rubber Edge | 1.5 – 2.0 mm |
Technical Data of the Ceramics
| Description | 92% Ceramics | 95% Ceramics | ZTA |
| Alumina Content | 92% | 95% | – |
| Density (g/cm³) | 3.61 | 3.62 | 4.1 |
| Rockwell Hardness (HRA) | 85 | 88 | 90 |
| Vickers’ Hardness (HV10) | 1200 | 1350 | 1400 |
| Fracture Toughness (KIC or MPa.√m) | 3.6 | 4.1 | 5.5 |
| Compressive Strength (MPa) | 2000 | 2281 | 2924 |
| Wear Volume (cm³) | 0.02 | 0.017 | 0.009 |
| INDUSTRY | PRODUCT | ASSET | LOCATION | INSTALLED | MATERIAL SIZE | THROUGHPUT | ROI |
|---|---|---|---|---|---|---|---|
| Nickel Mine | 95% Zirconia Toughened Alumina Tiles | Chute 503 | Western Australia | August 2016 | ≤600mm material passes through the underflow of the primary crusher and through to the primary stockpile | TBA | Replacing Overlay Liners with Ceramic Composite Liners |
Technical Data Sheet Of REXLINE™ Ceramic Liner
Technical Data of the Rubber | |
| Items | Index |
| Elongation | ≥ 450% |
| Tensile Strength | ≥ 180 MPa |
| Break Extension | ≥ 500% |
| Shore Hardness | 55 – 65 HA |
| Tear Strength | ≥ 70 KN/M |
| Break Permanent Deformation | ≤ 24% |
| Rubber and Ceramic Adhesion Force | ≥ 3.0 MPa |
| (Shearing Stress) | |
| Temperature Resistance | ≤ 100˚ C |
| Rubber Aging Life | ≥ 8 years |
| Gap Between Tile | 0.8 – 2.0 mm |
| Rubber Edge | 1.5 – 2.0 mm |
Technical Data of the Ceramics | |||
| Description | 92% Ceramics | 95% Ceramics | ZTA |
| Alumina Content | 92% | 95% | – |
| Density (g/cm³) | 3.61 | 3.62 | 4.1 |
| Rockwell Hardness (HRA) | 85 | 88 | 90 |
| Vickers’ Hardness (HV10) | 1200 | 1350 | 1400 |
| Fracture Toughness (KIC or MPa.√m) | 3.6 | 4.1 | 5.5 |
| Compressive Strength (MPa) | 2000 | 2281 | 2924 |
| Wear Volume (cm³) | 0.02 | 0.017 | 0.009 |
Project Overview
| INDUSTRY | PRODUCT | ASSET | LOCATION | INSTALLED | MATERIAL SIZE | THROUGHPUT | ROI |
|---|---|---|---|---|---|---|---|
| Nickel Mine | 95% Zirconia Toughened Alumina Tiles | Chute 503 | Western Australia | August 2016 | ≤600mm material passes through the underflow of the primary crusher and through to the primary stockpile | TBA | Replacing Overlay Liners with Ceramic Composite Liners |
Location of Installation
Impact plate Chute 503 – 02
History of Previous Liner
Previously installed Weld Overlay Liners were experiencing irregular and frequent wear requiring in-site repairs and change out of liners.
Refurbishment
During refurbishment, 32mm Weld Overlay Liners were kept in the non-impact zone while REXLINE™ ZTA Ceramic Liners were installed in the main impact areas
Update – September 2016
Following the first inspection after 3 months the most wear measured was 1.5mm in the centre impact zone.
Update – April 2017
Following the second inspection after 9 months the most wear measured was 8-10mm in the centre impact zone.
Summary & Service Life
ZTA Liners performed exceptionally well compared with the previous chrome overlays installed which is not suitable for this application. The newly installed ceramic liner lasted for 13 months.
