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Selecting a Wheel
All Hard Rubber
Hard tread, for light to heavy load on most surfaces.
Good Rolling ease. Tread Durometer 75 - 85 on Shore D
Nylon
Hard tread, available in most twin wheel casters.
Superior performance in lightweight material. Tough, durable, temperature and chemical resistant.
Polypropylene
Hard tread, economical lightweight material, good floor protection and impact strength,
resistant to water, oil, most acids and chemicals.
Polyurethane
Softer tread, excellent floor protection, quiet operations, good rolling ease on most surfaces,
resistant to water, oil, most acids and chemicals. Tread Durometer 85 - 100 on Shore A
Thermo-Plastic Rubber (TPR)
Softer tread, economical alternative to soft rubber, light to medium loads on most floor surfaces.
Good floor protection, good rolling ease, quiet operation. Tread Durometer 90 - 100 on Shore A
Hard Core / Soft Tread Rubber
Soft Rubber tread molded to a hard rubber core. Light to medium loads on hard surface floors. Quiet operation,
good floor protection. Tread durometer 70-85 on Shore A
This chart is intended only as a general comparison, and not as a recommendation for any particular wheel in a specific application.
