Hard and Soft Rubber Wheels (Weight Cap 100 to 280 lbs)

â Inexpensive, durable, industry mainstay. â Wheels are standard black in color. Non marking gray available, please inquire. â Non-conductive. â Resistant to most chemicals, oils, grease, cleaning agents, solvents and water. â Temperature rating: -40 to 180 degrees Fahrenheit, intermittent service. (120* continuous service). â SOFT RUBBER: â Precision molded high quality Soft Rubber molded to a Hard Rubber core. â Provides a smooth, cushioned ride. â Durometer: 70-80 Shore A. â HARD RUBBER: â Higher load capacity than soft rubber. â Easy rolling, minimal effort to start up and push a load. â Very durable, impact resistant. â Durometer: 75 Shore D.