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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 ThicknessTile size in mmRubber in mmSteel in mmLiner Sizes (mm)
32mm2066300/150
300/300
300/450
300/600
450/450
64mm5086300/150
300/300
300/450
300/600
450/450
37mm2566300/150
300/300
300/450
300/600
450/450
69mm5586300/150
300/300
300/450
300/600
450/450
Composite Ceramic Data Sheet
Technical Data of the Ceramics
Description92% Ceramics95% CeramicsZTA
Alumina Content92%95%
Density (g/cm³)3.613.624.1
Rockwell Hardness (HRA)858890
Vickers’ Hardness (HV10)120013501400
Fracture Toughness (KIC or MPa.√m)3.64.15.5
Compressive Strength (MPa)200022812924
Wear Volume (cm³)0.020.0170.009
Technical Data of the Rubber
ItemsIndex
 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
Description92% Ceramics95% CeramicsZTA
Alumina Content92%95%
Density (g/cm³)3.613.624.1
Rockwell Hardness (HRA)858890
Vickers’ Hardness (HV10)120013501400
Fracture Toughness (KIC or MPa.√m)3.64.15.5
Compressive Strength (MPa)200022812924
Wear Volume (cm³)0.020.0170.009
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
ItemsIndex
 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
Description92% Ceramics95% CeramicsZTA
Alumina Content92%95%
Density (g/cm³)3.613.624.1
Rockwell Hardness (HRA)858890
Vickers’ Hardness (HV10)120013501400
Fracture Toughness (KIC or MPa.√m)3.64.15.5
Compressive Strength (MPa)200022812924
Wear Volume (cm³)0.020.0170.009

Project Overview

INDUSTRYPRODUCTASSETLOCATIONINSTALLEDMATERIAL SIZETHROUGHPUTROI
Nickel Mine95% Zirconia Toughened Alumina TilesChute 503Western AustraliaAugust 2016≤600mm material passes through the underflow of the primary crusher and through to the primary stockpileTBAReplacing 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.