Wheel Materials: Complete Selection Guide
Wheel Materials: Complete Selection Guide
Choosing the right material for your industrial wheels is one of the most critical decisions you will make for your facility's material handling equipment. The wrong material can lead to premature wear, floor damage, load failure, or non-compliance with hygiene regulations. In this complete guide we cover all major wheel tread materials — polyurethane, rubber, nylon, cast iron, polypropylene, aluminium, and sheet metal — so you have a comprehensive picture before making your decision.
Polyurethane (PU)
Polyurethane is the most popular "soft" material for industrial wheels today.
Advantages: Outstanding wear resistance, low rolling resistance, floor protection (no black marks), good resistance to oils and chemicals, low noise.
Disadvantages: Degrades at temperatures above 80°C, becomes brittle below -20°C, higher cost.
Ideal for: Warehouses, food industry, electronics manufacturing, epoxy-coated floors, pallet trucks.
Load range: Moderate to high (depending on Shore A hardness).
Rubber
Rubber is the classic material — practical, economical, with excellent vibration damping.
Advantages: Outstanding vibration absorption, good grip on uneven surfaces, wide temperature range (-40°C to +120°C), low cost.
Disadvantages: Leaves black marks, low oil resistance, high rolling resistance, faster wear under heavy use.
Ideal for: Uneven floors, outdoor applications, transporting fragile goods, steps and ramps.
Load range: Low to moderate.
Nylon (Polyamide, PA)
Nylon is the ideal hard thermoplastic for heavy loads and chemical environments.
Advantages: Very high load capacity, low rolling resistance, resistance to oils and many chemicals, wide temperature range (-30°C to +120°C), no floor marking, hygienic surface.
Disadvantages: Does not absorb vibration, noisy on hard floors, degrades in strong acids, can absorb moisture over time.
Ideal for: Heavy-load warehouses, cold storage, food industry, clean rooms.
Load range: High to very high.
Cast Iron
Cast iron is the classic material for extremely heavy industrial applications.
Advantages: Exceptionally high load capacity, resistance to high temperatures (suitable for foundries and furnaces), low cost per unit of load, excellent durability in appropriate applications.
Disadvantages: Very hard — provides no vibration damping whatsoever, damages floors easily, heavy, prone to rust without protective coating.
Ideal for: Foundries, aluminium smelting, fixed industrial plants, internal rail transport in steel mills.
Load range: Very high.
Polypropylene (PP)
Polypropylene is a lightweight, economical hard plastic with good chemical resistance.
Advantages: Low weight, very good resistance to chemicals (acids and alkalis), does not rust, economical, suitable for wet environments.
Disadvantages: Lower load capacity than nylon or PU, brittle at low temperatures (below 0°C), does not absorb vibration.
Ideal for: Chemical industry, water treatment plants, frequent-wash environments, light-load applications in wet conditions.
Load range: Low to moderate.
Aluminium
Aluminium as a wheel material combines lightness with satisfactory strength.
Advantages: Very light (significant for mobile equipment), natural corrosion resistance (no coating required), aesthetically clean appearance, thermally conductive.
Disadvantages: Lower load capacity compared to steel or cast iron, softer — wears more easily under impact, higher cost.
Ideal for: Aerospace, medical equipment, professional kitchens, applications where weight is a key criterion.
Load range: Moderate.
Sheet Metal (Pressed Steel)
Pressed steel is used primarily as a frame or rim in combination with a separate tread material.
Advantages: Low cost, good strength, ease of manufacture in large sections.
Disadvantages: Prone to rust without coating (electrostatic coating, paint, or galvanizing required), not typically used as a solid wheel tread in demanding applications.
Ideal for: General warehouse equipment, low-load trolleys, auxiliary equipment.
Load range: Low to moderate.
Decision Matrix: Which Material to Choose
| Criterion | Best Choice | Alternative | |---|---|---| | Very high load | Cast iron | Nylon | | High load + floor protection | Nylon or hard PU | Nylon + PU tread | | Vibration absorption | Rubber | Soft PU | | Floor protection / no marking | Polyurethane | Nylon | | Chemical resistance (acids/alkalis) | Polypropylene | Nylon | | Wet / food / clean room | Inox frame + PU or Nylon | — | | Extreme temperatures (>200°C) | Cast iron | — | | Low cost | Rubber | Polypropylene | | Low equipment weight | Aluminium | Polypropylene | | Marine environment | Inox 316 frame + PU | — |
Conclusion
There is no single "perfect" material for every application. The right choice depends on a combination of load, floor type, temperature, chemical environment, and hygiene requirements specific to your facility. Use the matrix above as a starting point and do not hesitate to seek expert guidance when requirements are complex.
Browse our full catalogue of wheel options at our catalog. For complex applications or special requirements, contact us — the GM Rodes technical team is here to help you find the ideal solution.