Polyurethane On Cast Iron Wheels (Weight Cap 500 to 3500 lbs)

â High quality polyurethane chemically bonded to a painted cast iron core. â Polyurethane is 5/16â to a 1/2â thick, depending on the size of the wheel. â Offers floor protection, is non marking and delivers somewhat of a cushioned and quieter ride than a standard hard tread or steel wheel. â Resistant to most chemicals, oils, acids, grease and water. â Standard color is green on silver, however other colors are available, please inquire. â Durometer: 95 Shore A â Temperature rating: -40 to 180 degrees Fahrenheit.