Tread: The high-quality polyurethane elastomer cast by chemical reaction has a hardness of 75±3 Shore A, very good floor protection, low noise operation, low rolling resistance, high resistance to cutting and tearing, no marking, no staining, and excellent bonding effect with the wheel core.

Wheel core: Metal materials such as 45# steel, cast iron, die-cast aluminum alloy, stainless steel, etc. can be selected according to working conditions; surface treatment can be spray painting, phosphating, galvanizing, Dacromet, etc.

Other characteristics: Resistant to a wide range of corrosive substances; operating temperature: -30°C to +70°C, temporarily up to +90°C, load capacity reduced above +40°C