Caster Wheels Selection Guide June 05, 2009 Wheel Selection Guide Floor Material Wheel Types Soft Medium Hard Full Pneumatic Semi- Pneumatic Mold-on Rubber Thermo Rubber Polyure- thane Solid Polyure- thane Poly- olefin Phenolic Cast Iron Ductile Steel Asphalt X X X X X X X X X X Concrete X X X X X X X X X X Linoleum X X X X X X X X X X Steel X X X X X X X X X X Tile (Ceramic) X X X X X X X X X X Wood X X X X X X X X X X Wood Block & Plank X X X X X X X X X X Floor Conditions Smooth X X X X X X X X X Rough X X X X X X X X Weak Chemicals X X X X X X X X Moisture X X X X X X X X X Strong Chemicals X X X X X X Metal Chips X X X X X X Dock Plate X X X X X X Smooth/Rough Combination X X X X X X Floor Protection High High High High Medium Medium Medium Med/Low Low Low Rollability Fair Fair Fair Good Good Best Good Best Best Best Temperature Range (°F) Intermittently 0 to +150 1 to +150 -40 to +158 -40 to +180 -40 to +200 -40 to +200 -40 to +180 -50 to +300 -40 to +500 -40 to +800 Sustained Rolling Force Rolling Forces Based 6" x 2" Wheel With Roller Bearing & A 500 Lb. Load #1 Soft Rubber #2 Mold-on Rubber #3 Thermo Rubber on Polyolefin Core #4 Polyurethane on Polyolefin Core #5 Polyurethane on Iron Core #6 Solid Polyurethane #7 Donut Polyurethane on Iron Core #8 Polyolefin #9 Hard Rubber #10 Nylon #11 Phenolic #12 Steel / Ductile