SP – Extra Soft Thermoplastic Rubber. Hardness: 65 Shore A. (-10ºC to + 50ºC). Injected recyclable thermoplastic extra soft rubber tread and polypropylene copolymer wheel center. Its advantages are the extremely low noise level and vibration reduction. Indicated for light load handling, they offer an excellent floor protection and regular resistance to impacts and chemicals. Nominal working speed is up to 4km/h.
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.