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.
NFV – Fiberglass-reinforced Nylon. Hardness: 80 Shore D. (-40ºC to + 180ºC). Produced with fiberglass-reinforced polyamide nylon 6.6. Indicated for utilization in high and low temperature applications. They are light and have an excellent mechanical resistance, roll very easily, requiring less effort in maneuvering and handling. Resistant to greases, oils, and some kinds of acids.