Where stated wheels are made from Vulkalon Material. It is the best covering available for load bearing wheels ad rollers. Its not available from all manufacturers and the price reflects the properties of Vulkalon you really do get what you pay for. Traction, load & supporting wheels with steel or cast iron centre and VULKOLLAN® 92° Shore A tread. Low rolling resistance and high elasticity Exceptional wear resistance and tear strength. Electrically conductive VULKOLLAN® and alternative Shore A hardnesses available, with or without bearings.
