P – Molded Polyurethane. Hardness: 90 Shore A. (-40ºC to + 80ºC). Produced with a molded polyurethane tread and grey cast iron wheel center. Ideal for applications on various surface and environment types The withstand high loads, protect the floor, require less effort to handle, produce low noise level during handling, and have an excellent service life. They have great resistance to abrasion, impacts, weathering and chemicals such as greases, oils, salts and solvents. They can be used at a speed of up to 20km/h when mounted with ball bearings.
BD – Molded Rubber With Stamped Plate Wheel Center: 80 Shore A. (-20ºC to + 70ºC). Produced with solid rubber tread, with zinc-plated stamped carbon steel wheel center. They are light and resistant, soft and quiet rolling and are indicated for light duties on floors in good conditions. Nominal working speed is up to 4km/h.