| Cast Polyurethane (PU) | Shore A 85–95 | Approximately 150–2,000 kg, depending on wheel diameter, width, and bearing design | Very high | Smooth concrete, coated floors, steel plates, warehouse floors, and moderately rough industrial surfaces | Usually about −30°C to +80°C; special formulations may extend this range | Excellent abrasion resistance, high tear strength, low rolling resistance, good load carrying, and quieter operation than steel | May be damaged by sharp edges, strong acids, certain solvents, or prolonged high temperatures | Material-handling carts, AGV equipment, warehouse trucks, industrial casters, and heavy-duty trolleys |
| Polyurethane-on-Steel Solid Wheel | Shore A 90–95 | Approximately 300–3,000 kg, depending on the steel core and wheel dimensions | Very high under heavy loads | Concrete, epoxy floors, factory floors, loading areas, and light-to-moderately uneven surfaces | Usually about −30°C to +80°C | Combines a rigid steel core with a wear-resistant PU tread; maintains shape under high loads and reduces floor damage | Higher cost than molded rubber; exposed steel components can corrode if protection is inadequate | Heavy-duty industrial casters, transfer carts, production lines, and high-load logistics equipment |
| Solid Rubber | Shore A 70–90 | Approximately 80–800 kg, depending on construction and diameter | High | Indoor and outdoor concrete, asphalt, tile, uneven floors, and surfaces where shock absorption is important | Usually about −20°C to +60°C; heat-resistant compounds may operate at higher temperatures | Good impact absorption, relatively quiet running, good floor protection, and reliable performance on uneven surfaces | Higher rolling resistance than PU; may flatten under long-term heavy static loads and can age under ozone or sunlight | Platform carts, warehouse equipment, outdoor carts, refuse containers, and general industrial handling |
| Elastic Rubber Solid Wheel | Shore A 65–85 | Approximately 100–1,000 kg, depending on wheel size and core construction | Medium to high | Uneven concrete, asphalt, ramps, thresholds, and mixed indoor-outdoor environments | Usually about −20°C to +60°C | Improved ride comfort, good obstacle absorption, reduced vibration, and better traction than harder wheel materials | More rolling resistance and faster wear than high-grade PU in abrasive, smooth-floor applications | Airport equipment, hospital carts, warehouse carts, service vehicles, and equipment used over floor joints |
| Thermoplastic Rubber (TPR) | Shore A 70–95 | Approximately 50–400 kg, depending on wheel diameter and tread thickness | Medium | Smooth indoor floors, tile, wood, epoxy, and light-duty concrete | Usually about −20°C to +70°C | Low noise, good floor protection, easy processing, and generally good resistance to water and common cleaning agents | Lower load capacity and abrasion resistance than cast PU; performance can decline on rough concrete or under continuous heavy loads | Light-duty casters, furniture, medical equipment, display fixtures, and indoor carts |
| Nylon or Polyamide Solid Wheel | Shore D 70–85 | Approximately 100–1,500 kg, depending on material grade and wheel dimensions | High on smooth surfaces | Smooth concrete, steel floors, clean factories, and areas requiring low rolling resistance | Usually about −40°C to +80°C; some grades support higher temperatures | Hard, dimensionally stable, resistant to many oils and chemicals, and easy to clean | Noisy on hard floors, limited shock absorption, potentially damaging to delicate flooring, and sensitive to rough surfaces | Food-processing equipment, clean industrial areas, pallet equipment, and high-temperature or washdown environments |
| Phenolic Resin Solid Wheel | Very hard thermoset tread | Approximately 150–1,200 kg, depending on wheel dimensions and core design | High in dry industrial service | Smooth concrete, steel, and dry factory floors | Usually about −40°C to +120°C; operating limits depend on resin formulation | Good heat resistance, strong resistance to many oils, and low rolling resistance under heavy loads | Brittle under impact, unsuitable for rough floors or frequent obstacles, and comparatively noisy | Industrial ovens, dry process areas, manufacturing equipment, and high-temperature material handling |