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UHMWPE Outrigger Pads for Construction Machinery

UHMWPE Outrigger Pads for Construction Machinery

Molded UHMWPE wear liners with low friction, high impact resistance, and optional antistatic or flame-retardant grades for coal bunkers, chutes, hoppers, and bulk-material handling equipment.

Product Parameters

Base MaterialUltra-High Molecular Weight Polyethylene (UHMWPE)
Molecular Weight3–5 million
Water Absorption≤0.01%
Dynamic Friction Coefficient0.07–0.11
Operating Temperature-40°C to +80°C
Optional Modified GradesStandard wear-resistant, antistatic, and flame-retardant antistatic grades

Detailed Product Description

Purpose-Built UHMWPE Protection for Bulk Material Equipment

Manufactured by compression molding, these UHMWPE sheets are designed as durable internal wear liners for raw coal bunkers, storage hoppers, transfer chutes, downpipes, and similar bulk-material handling equipment. They create a smooth, low-friction protective surface between abrasive material and the steel structure beneath it. In practical operation, this helps address recurring concerns such as material adhesion, bridging, blocked discharge paths, and accelerated wear of bunker or chute walls.

For buyers searching for UHMWPE Outrigger Pads for Construction Machinery, material selection should always match the actual working function. The UHMWPE product described here is intended primarily for internal wear protection and flow improvement in material-storage and conveying systems. Its technical value comes from abrasion resistance, impact resistance, low moisture absorption, chemical resistance, and self-lubricating performance rather than from unsupported load-capacity claims.

Reliable Performance in Abrasive and Wet Conditions

With a molecular weight of 3–5 million, the material provides the toughness required for demanding coal, ore, aggregate, and powder-handling environments. Falling material can repeatedly strike hopper walls and chute transition areas. Compared with conventional steel or nylon lining options, UHMWPE offers substantially stronger wear resistance and excellent impact tolerance. It also remains less prone to brittle cracking in low-temperature service, helping protect the equipment steelwork and extend maintenance intervals.

The low dynamic friction coefficient of 0.07–0.11 is especially valuable where damp coal, fine powder, or sticky particulate materials tend to cling to metal surfaces. The naturally lubricious surface supports smoother material movement and reduces the opportunity for buildup. By improving discharge conditions, plant operators can reduce manual cleaning frequency, limit unplanned stoppages, and maintain more consistent feeding efficiency.

Key Operating Advantages

  • High abrasion and impact resistance: Suitable for surfaces exposed to continuous sliding, scouring, and dropping impacts from coal, ore, sand, gravel, and other granular materials.
  • Self-lubricating, anti-stick surface: Reduces material adhesion and helps control bunker blockage and arching, particularly in wet or fine-material applications.
  • Very low water absorption: At ≤0.01%, the sheet maintains stable performance in damp settings and does not rust or corrode like metal liners.
  • Corrosion resistance: Resists acid, alkali, dust, and moisture-related exposure encountered in mining and power-generation operations.
  • Wide service temperature range: Designed for use between -40°C and +80°C, supporting many indoor, outdoor, and underground applications.

Flexible Fabrication and Straightforward Installation

Each liner can be supplied with countersunk mounting holes for secure bolt fixing to the host equipment. Countersinking allows fasteners to sit below the material-contact surface, reducing interference with material flow and minimizing direct fastener wear. The lower weight of UHMWPE compared with steel plates also makes handling and installation more convenient during shutdown maintenance.

Flat sheets can be cut to required dimensions and further fabricated into curved sections, U-shaped parts, and other irregular profiles. This makes the material suitable for hopper corners, chute bends, transition sections, and complex internal geometries where standard flat steel liners are difficult to fit. Replacement work can be planned section by section, allowing worn areas to be serviced without unnecessarily replacing sound lining elsewhere.

Optional Grades for Site-Specific Requirements

Different sites impose different safety and operating requirements. In addition to the standard wear-resistant grade, antistatic and flame-retardant antistatic options are available. The dual-performance grade is particularly relevant for underground coal-mine environments where explosion-prevention requirements must be considered when selecting internal lining materials. Buyers should specify the operating environment, material characteristics, temperature range, installation method, and any applicable safety requirements before production.

Typical Applications

  1. Underground coal mining: Raw coal bunkers, buffer bins, coal chutes, and coal drop pipes. Flame-retardant antistatic liners can be selected for applicable underground conditions.
  2. Thermal power plants: Raw coal bunkers, dry-coal shed hoppers, and coal-conveying chutes where coal dust and moisture can cause sticking and blocked material flow.
  3. Mining and aggregate processing: Ore bins, aggregate hoppers, crusher discharge chutes, and transfer points exposed to sharp, abrasive material.
  4. Other bulk storage systems: Metallurgical powder bins, sand and gravel hoppers, grain storage bins, and dump-truck body linings requiring a wear-resistant protective layer.

Selection Support from Dezhou Yiyuan New Material Technology Co., Ltd.

Dezhou Yiyuan New Material Technology Co., Ltd. specializes in rubber and plastic products, including UHMWPE sheets, UHMWPE wear liners, UHMWPE rollers, custom UHMWPE parts, PE sheets, PP sheets, nylon products, polyurethane products, and machined irregular components. The company supports customized dimensions, hole patterns, curved parts, and special-shaped liners. Its service principle is clear: pursue excellence in product quality, provide sincere sales service, and maintain trust in every contractual relationship.