Square & Hexagonal Alumina Mosaic Plate — Industrial Wear Liner Tiles

Alumina mosaic plate tiles provide modular wear protection for chutes, hoppers, and conveyors. Square or hexagonal alumina ceramic sheet and tile formats are available as flat, rubber-backed, or steel-backed panels for easy bonding or bolt-on use.

Catalog No. AT-YHL-MSK001
Material 92-99.7% Al2O3
(application-driven selection for hardness vs. toughness)
Plate Size & Tolerance Common tiles 10×10×3 mm or 17×17×4 mm; panel tolerance typically ±0.5 mm on thickness/edge after bonding
Max Operating Temperature ≤ 1500°C
Dimensions/Sizes Download PDF
24H Standard Dispatch
Small Batch Support OEM
Factory Direct
Expert Engineering Support

Alumina mosaic plate is a modular ceramic wear lining made from small high-alumina tiles (square or hexagonal) arranged in a mosaic pattern and bonded to a flat, rubber-backed, or steel-backed panel. The dense Al₂O₃ surface provides high hardness and abrasion resistance for chutes, hoppers, transfer points, pipes, and pulley lagging in bulk material handling.

 

Features & Benefits of Alumina Mosaic Plate

  •  Mosaic Tile Grid Design
    The alumina mosaic plate is built from tightly nested square or hexagonal tiles. This mosaic layout distributes impact forces evenly and minimizes crack propagation, ensuring longer protection in critical wear zones.
  • Localized Replacement Efficiency
    Unlike monolithic liners, alumina mosaic plates allow for sectional replacement. Damaged areas can be swapped out without relining the entire chute or hopper, reducing downtime and maintenance costs during scheduled shutdowns.
  • Flexible Backing Structures
    Customers can choose from:
    a. Rubber-backed panels to absorb impact shocks from large ore lumps.
    b.Steel-backed plates for bolt-on or stud-welded installations.
    c. Flat ceramic sheets for adhesive bonding in lightweight or confined structures.
    This adaptability ensures the right match for mining, cement, steel, or port environments.
  • Optimized Coverage with Hex & Square Patterns
    1.  Hexagonal alumina ceramic tiles eliminate linear joints, strengthening overall coverage.
    2. Square alumina mosaic plates simplify cutting and fitting for rectangular installations.
    Both formats maximize liner surface protection with minimal exposed substrate.
  • Proven Performance in High-Throughput Lines
    Field applications in chutes, hoppers, and pulley lagging confirm that alumina mosaic plates extend liner service life by 2–3 times compared with conventional steel or polymer wear liners, directly improving uptime and reducing operating costs.

 

Alumina Mosaic Plate Properties

Property Unit 99.5% Al₂O₃ 99.6% Al₂O₃ 99.7% Al₂O₃ 99.8% Al₂O₃ 99.9% Al₂O₃ 99.99% Al₂O₃
Alumina content % 99.5 99.6 99.7 99.8 99.9 99.99
Density g/cm³ 3.89 3.91 3.92 3.93 3.94 3.98
Open porosity % 0
Color Ivory Ivory Ivory Ivory Ivory Ivory
Water absorption % 0 0 0 0 0
Young’s modulus (Elastic modulus) GPa 375 356 357 358 359 362
Shear modulus GPa 152
Bulk modulus GPa 228
Poisson’s ratio 0.22
Compressive strength MPa 2600 2552 2554 2556 2558 2570
Flexural strength MPa 379 312 313 314 315 320
Fracture toughness MPa·m¹ᐟ² 4
Hardness GPa 14.1 (≈1440 kg/mm²) 23 24 25 26 30
Thermal conductivity W/m·K 35 32–37 33–38 34–39 35–40 36–42
Thermal shock resistance ΔT °C 222 223 224 225 228
Maximum use temperature (no load) °C ≤1750 1755 1760 1765 1770 1800
Coefficient of thermal expansion 10⁻⁶/°C 8.4
Specific heat J/kg·K 880
Volume resistivity Ω·cm >1×10¹⁴ >1×10¹⁴ >1×10¹⁴ >1×10¹⁴ >1×10¹⁴ >1×10¹⁴
Dielectric constant (relative permittivity) 9.8 9.83 9.84 9.85 9.86 9.92
Dielectric strength kV/mm 16.9 23.2 23.4 23.6 23.8 24
Dissipation factor (loss factor @ 1 kHz) 0.0002

 

Alumina Ceramic Mosaic Sheet Specifications

Type 1: Square Alumina Ceramic Mosaic Sheet

Square Alumina Ceramic Mosaic Sheet

Square Alumina Ceramic Mosaic Sheet
Item No. Length (mm) Width (mm) Thickness (mm)
AT-YHL-MSK001 10 10 3-6
AT-YHL-MSK002 17.5 17.5 3-16
AT-YHL-MSK003 20 20 3-18
AT-YHL-MSK004 24 24 4-10
AT-YHL-MSK005 27 27 5-18
AT-YHL-MSK006 38 38 5-18
AT-YHL-MSK007 39 39 6-18
AT-YHL-MSK008 50 50 5-16

 

Type 2: Hexagon Alumina Ceramic Mosaic Sheet

Hexagon Alumina Ceramic Mosaic Sheet

 

Hexagon Alumina Ceramic Mosaic Sheet
Item No. Opposite Side Length (mm) Side Length (mm) Thickness (mm)
AT-YHL-MSK009 19.5 11.5mm 3-18
AT-YHL-MSK010 20 12mm 3-18
AT-YHL-MSK011 21 12.5mm 3-18
AT-YHL-MSK012 40 23mm 8-35

 

Type 3: Square Alumina Ceramic Mosaic Sheet with Bumps

Sqaure Alumina Ceramic Mosaic Sheet with Bumps

Sqaure Alumina Ceramic Mosaic Sheet with Bumps
Item No. Length (mm) Width (mm) Thickness (mm)
AT-YHL-MSK013 20 4+1 4+1
AT-YHL-MSK014 20 5+1 5+1
AT-YHL-MSK015 20 6+1 6+1
AT-YHL-MSK016 20 7+1 7+1

 

Type 4: Round Alumina Ceramic Mosaic Sheet

Round Alumina Ceramic Mosaic Sheet

Round Alumina Ceramic Mosaic Sheet
Item No. Diameter (mm) Height (mm)
AT-YHL-MSK017 16 16
AT-YHL-MSK018 20 20
AT-YHL-MSK019 21 21
AT-YHL-MSK020 20 25
AT-YHL-MSK021 23.5 18
AT-YHL-MSK022 23.5 20
AT-YHL-MSK023 23 23
AT-YHL-MSK024 23 25
AT-YHL-MSK025 25 25
AT-YHL-MSK026 30 30
AT-YHL-MSK027 31 31
AT-YHL-MSK028 40 40
AT-YHL-MSK029 45 45
AT-YHL-MSK030 50 50
AT-YHL-MSK031 60 60

 

Alumina Mosaic Plate  Packaging

  • Panel packing: PE wrap → foam corners → export carton → palletized; tile-only kits use partitioned inner boxes.

Alumina Mosaic Plate  Packaging

 

Alumina Mosaic Plate Applications

  • Mining Industry: Mining & Mineral Handling — Chutes and Hoppers

    ✅Key Advantages

    1. Longer wear window: 92/95% Al₂O₃ grid resists fines abrasion to stabilize throughput.
    2. Impact moderation: rubber-backed panels absorb shocks from lump ore, reducing tile cracking.
    3. Predictable change-outs: modular panels enable sectional replacement during short stops.

    ✅ Problem Solved

    At a transfer chute handling 2,500 tons/day of pelletized ore, switching to hexagonal alumina ceramic tile panels reduced patching frequency from once per week to once per month. A three-panel hotspot measuring 0.9 m² was replaced in under 6 hours, thanks to pre-drilled bolt patterns. After renewal, carry-back at the tail pulley dropped by 40%, lowering cleanup time by approximately 12 man-hours per week and extending belt scraper service life by 30%.

  • Construction Materials Industry : Cement & Steel — Clinker and Sinter Lines

    ✅Key Advantages

    1. Thermal robustness: ceramic surface maintains hardness in warm zones compared with polymer liners.
    2. Flow stability: smoother liner reduces hang-ups at angle changes and splitter boxes.
    3. Cleaner housekeeping: less spillage and dust due to reduced sticking at worn patches.

    ✅ Problem Solved

    On a clinker splitter box processing 1,200 tons/day, worn steel liners caused frequent hang-ups and required inspection every 2–3 days. After switching to square alumina mosaic plate panels, hang-ups at the elbow disappeared and inspection intervals stretched to once every 2 weeks. The replacement involved 8 panels (2.5 m²) installed within one shift, reducing downtime by 18 hours per month. Downstream belt weigher readings became stable, improving clinker feed consistency and reducing production variability by 15%.

  • Logistics & Port Industry: Ports & Bulk Terminals — Transfer Points & Pulley Lagging

    ✅Key Advantages

    1. Anti-slip traction: ceramic lagging tiles increase drive friction under damp fines.
    2. Modular retrofit: pre-cut arcs match pulley diameters to reduce machining.
    3. Lower carry-back: refreshed contact surface minimizes fines return.

    ✅ Problem Solved

    At a shiploader conveyor operating 4,000 hours annually, wet fines reduced traction on the tail pulley and caused belt slippage during humid mornings. Installing hexagonal alumina ceramic pulley lagging improved drive friction by 35%, eliminating unplanned stoppages linked to slippage. Weekly belt adjustments dropped from 3 times to 1 time, saving 10 maintenance hours per month. Carry-back at the scraper zone was reduced by 45%, cutting wash-down water use and lowering housekeeping costs by an estimated 20%.

 

Alumina Mosaic Plate Usage Instructions

  • Installation

    1. Dry-fit panels along reference lines; confirm bolt pattern / adhesive coverage and check alignment with surrounding liners.
    2. Surface preparation: degrease, remove rust/scale, shot-blast or grind bonding surfaces, then wipe dry. Moisture or dust will reduce adhesive strength.
    3. Adhesive application: Use a notched trowel for even spread; press panels from centre outward to avoid trapped air; maintain joint gap of 1–2 mm.
    4. Bolt-on steel-back plates: tighten in a cross pattern to the recommended torque; mark bolts for visual check; re-check after 24 h of operation.
    5. Curing time: allow at least 12–24 h at 20 °C before starting operation. Extend curing at lower temperatures or use heaters if the ambient temperature is <10 °C.

  • Storage

    1. Keep tiles, adhesives, and rubber-backed panels in a dry, shaded area between 5–30 °C.
    2. Store panels flat on pallets to avoid warping or bending.
    3. Do not stack more than 1.2 m high without intermediate spacers.
    4. Shelf life of adhesives is typically 6–12 months; check the lot code before use.

  • Cleaning / Maintenance

    1. Inspect liners every 3 months in high-throughput areas, and every 6 months in moderate zones.
    2. Replace only damaged or worn panels instead of the entire chute or hopper lining.
    3. Keep the liner surface clean; use compressed air or a water jet to remove fine buildup.
    4. Avoid impact from hammers or sharp tools during cleaning; this may chip the ceramic tiles.

  • Common Missteps & Fixes

    1. Issue: Adhesive cure delay in cold weather
    Fix: Pre-heat panels/adhesive; extend cure time per TDS; use temporary heaters if necessary.

    2. Issue: Edge chipping during handling
    Fix: Use corner guards; lift panels from the backing plate rather than the ceramic edges.

    3. Issue: Bolt loosening on steel-back
    Fix: Re-torque after the first 24 h; apply locking washers or thread-locking compound for vibration zones.

    4. Issue: Uneven bonding or hollow sound under tiles
    Fix: Re-check adhesive coverage; use a notched trowel for full wetting; remove and reset if voids exceed 10%.

    5. Issue: Panel mismatch at edges
    Fix: Align with datum lines during dry-fit; trim or shim as required to keepa  continuous liner surface.

 

Alumina Mosaic Plate FAQ

  1. Q: What information should I offer to get alumina mosaic plate quotation?
    A: To prepare a precise quotation, please provide the following details: panel dimensions, tile type (square or hexagonal), thickness, backing option (flat, rubber, or steel), required quantity, and any special hole or pattern requirements. With this information, we can provide a detailed line-item quote that includes lead time.
  2. Q: Are you an alumina mosaic plate factory or a trading company?
    A: We are a China-based manufacturer with drawing support and OEM paneling; direct factory control helps with tolerance and kit matching.
  3. Q: What purity should I choose, 92% or 95%?
    A: 92% balances toughness for impact; 95% favours wear life in sliding abrasion. Select by ore size, drop height, and fines percentage.
  4. Q: Can I purchase alumina mosaic plates in wholesale quantities, and is there a price discount?
    A: Yes, we supply wholesale alumina mosaic plates for bulk orders. Pricing is based on order volume, tile type, and backing option. Larger quantities usually receive tiered discounts, and repeat orders can be supported with stable contract pricing to help reduce long-term maintenance costs.
  5. Q: Can alumina mosaic plates be curved to match pipe liners?
    A: Yes. Alumina mosaic plates can be fabricated with radius cuts or segmented panels to match pipe diameters and curved chutes. Hexagonal and small square tiles are especially suitable for lining cylindrical or conical surfaces, as they nest tightly with minimal gaps. Custom curvature, backing type, and adhesive recommendations can be provided according to your pipe liner drawings.

What Our Customers Say about Alumina Mosaic Plate

  • ⭐️⭐️⭐️⭐️⭐️
    “We ordered wholesale alumina mosaic plate panels and hex tiles for a spillage hotspot. The bolt-on steel-backs matched our drawing and the swap finished inside one shift.”
    -- Diego N., Maintenance Planner, Valeport Minerals
  • ⭐️⭐️⭐️⭐️⭐️
    “The China alumina mosaic plate kits arrived pre-cut for our splitter box. Flow stabilized and daily clean-downs dropped noticeably.”
    -- S. Richter, Reliability Engineer, NordCem
  • ⭐️⭐️⭐️⭐️⭐️
    “Fast alumina mosaic plate quotes with clear spec notes helped us lock scope early. Rubber-backed panels reduced ringing on impact chutes.”
    -- Laura K., Projects Buyer, Lakeside Steelworks
  • ⭐️⭐️⭐️⭐️⭐️
    “Hexagonal alumina ceramic tile lagging improved belt traction on damp mornings; fewer scraper adjustments since the retrofit.”
    -- Ahmed F., Port Operations Supervisor, RedSea Bulk Terminal
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Customization Options for Alumina Mosaic Plate

With these flexible options, alumina mosaic plates can be customized to fit existing equipment. What You Can Specify:

  • Tile Geometry & Thickness: square or hexagonal; 3–12 mm tile thickness; panel total thickness on request.
  • Panel Size & Tolerance: cut-to-size plates up to handling-safe dimensions; typical panel tolerance ±0.5 mm.
  • Backing Structure: flat ceramic only / rubber-backed (impact damping) / steel-backed (bolt-on).
  • Hole & Slot Layout: countersunk or through-holes, edge distance, bolt pattern to match your wear package.
  • Surface Finish: raw ceramic, lightly polished.
  • Adhesive System: epoxy kit matching your substrate (carbon steel, rubber, concrete) and ambient conditions.
  • Patterning: staggered hex pattern, brick-bond squares, radius tiles for curved chutes.

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