Product Overview
UHMWPE Impact Resistant Plate is engineered for heavy-duty lining and structural protection in severe service environments. Combining ultra-high impact toughness with low sliding friction and excellent abrasion resistance, it effectively protects metal structures from mechanical wear and material blockage in mining, bulk material handling, and industrial conveying systems.
Technical Specifications
|
Property |
Value |
|
Material Base |
100% Virgin UHMWPE |
|
Molecular Weight Options |
1.5M / 3.0M / 5.0M / 8.0M / 10.0M g/mol |
|
Density |
0.944 g/cm3 |
|
Tensile Strength at Yield |
3,250 psi (22.4 MPa) |
|
Tensile Modulus |
155,900 psi (1,075 MPa) |
|
Tensile Elongation at Break |
330% |
|
Flexural Modulus |
107,900 psi (744 MPa) |
|
Compressive Strength (2% deformation) |
400 psi (2.76 MPa) |
|
Compressive Strength (10% deformation) |
1,200 psi (8.27 MPa) |
|
Shore D Hardness |
69 Shore D |
|
Notched Izod Impact Strength |
30 ft-lbf/in of notch |
|
Coefficient of Static Friction (vs. Steel) |
0.17 |
|
Coefficient of Dynamic Friction (vs. Steel) |
0.14 |
|
Water Absorption (24 Hours) |
Nil (0.00%) |
|
Melting Point (Crystalline Peak) |
279-289 deg F (137-143 deg C) |
|
Volume Resistivity |
> 10^15 ohm-cm |
|
Surface Resistivity |
> 10^15 ohm-cm |
|
Linear Thermal Expansion |
11 x 10^-5 in/in/deg F |
Key Performance Advantages
Superior Impact Absorption: High toughness enables the plate to repeatedly absorb heavy kinetic energy from falling rocks, ores, and bulk materials without cracking or deforming.
Exceptional Wear Resistance: Protects chutes, hoppers, and bins against severe sliding abrasion, extending equipment service life significantly compared to traditional steel plates.
Ultra-Low Friction Coefficient: Dynamic friction as low as 0.14 against steel prevents material build-up, rat-holing, and carryback, ensuring continuous bulk material flow.
Zero Water Absorption & Anti-Caking: Water absorption rate is nil (0.00%), preventing wet or clay-like materials from freezing or sticking to the liner in humid or harsh environments.
Lightweight & Easy Installation: At roughly 1/8th the density of steel (0.944 g/cm3), these plates reduce dead weight, lower energy consumption on moving parts, and make manual installation safer and easier.
Corrosion & Chemical Resistance: Highly resistant to aggressive industrial chemicals, acids, and alkalis, making it ideal for harsh chemical processing and marine environments.
Industrial Applications
Mining & Mineral Processing: Liner plates for transfer chutes, surge bins, skip linings, rock boxes, and vibrating screen decks exposed to raw ore and slurries.
Bulk Material Handling: Liners for hoppers, silos, feeders, and transfer points handling coal, cement, grain, limestone, and sand.
Heavy Transport & Fleet Equipment: Protective bed liners for dump trucks, haul trucks, rail cars, and trailers to ensure rapid dumping without carryback.
Conveying Systems: Wear strips, chain guides, skirtboards, impact beds, and side guide rails for continuous material movement.
Port & Maritime Terminals: Ship loader chutes, hopper linings, and port cargo handling equipment exposed to corrosive saltwater environments.
Molecular Weight Selection Guide
1.5 Million - 3.0 Million
Standard grade suitable for general sliding wear, light-to-medium impact, and applications requiring easy thermal forming or fabrication.
5.0 Million
Balanced premium grade offering superior impact resistance combined with excellent sliding wear performance. The industry standard for heavy-duty chutes and hoppers.
8.0 Million - 10.0 Million
Ultimate wear grade designed for extreme abrasion and severe continuous impact environments in large-scale mining operations.
Precision Machining Custom Services
We offer full-service CNC machining to deliver ready-to-install liner components directly matching your engineering drawings:
Custom Size Cutting
Precision panel saw and CNC router cutting to exact length and width specifications.
Drilling & Countersinking
Custom hole drilling, counterboring, and 45/90 degree countersinking to ensure bolt heads sit flush with or below the wear surface.
Slots & Special Profiles
Machined bevels, interlocking edges, corner radii, and drop-in slots for fast field mounting.
Complex CNC Fabrication
Custom 3D components, curved liners, and intricate wear parts manufactured strictly to CAD models.
Inspection Process
Every production lot undergoes rigorous multi-stage quality control to ensure strict adherence to technical parameters:
Raw Material Inspection: Verification of resin purity and molecular weight distribution before processing.
Dimensional & Tolerance Verification: Ultrasonic thickness testing, edge squareness checks, and overall length/width measurements.
Machining Accuracy: Hole pattern position, diameter, and countersink depth checked against approved CAD drawings.
Surface & Visual Quality: Inspection for surface flatness, absence of voids, edge burrs, or inclusions.
Pre-Shipment Verification: Protective packaging, labeling, and certificate of analysis included with each shipment.
Packaging & Global Export Delivery
Surface Protection: Individual plates are wrapped with protective plastic film to prevent surface scratches, dust contamination, and transit damage.
Secure Palletizing: Large-format sheets are strapped onto sturdy, fumigation-free wooden or steel pallets with edge guards to prevent shifting during maritime transport.
Export Ready Packaging: Enclosed in moisture-proof wrapping and reinforced custom crates suited for LCL or FCL ocean container shipping.
Frequently Asked Questions
Q: What thickness ranges can be produced?
A: Plates are manufactured in thicknesses ranging from 6 mm to 300 mm, tailored to specific wear allowances and impact loads.
Q: How do I select the right molecular weight grade?
A: Select 1.5M–3.0M for light guiding/wear strips, 5.0M–8.0M for typical mining impact and sliding, and 9.0M–10.0M for severe slurry and extreme abrasion.
Q: Can plates be pre-drilled according to our engineering drawings?
A: Yes. We offer complete CNC machining, including straight holes, countersunk bolt holes, mounting slots, and bevels.
Q: Are large-format sheets available to minimize liner joints?
A: Yes, we produce sheets up to 1325 × 6200 mm and 1550 × 5150 mm to reduce joint counts in large hoppers and chutes.
Q: What technical information is needed for an accurate quotation?
A: Provide required dimensions (length × width × thickness), molecular weight grade, order quantity, material handled, and CAD drawings (if machining is needed).
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