Tread: High-quality polyurethane elastomer cast through chemical reaction, with a hardness of 93±3 Shore A. It features low walking noise, low rolling resistance, ground protection, excellent wear resistance, high cut and tear resistance, and is non-marking, non-staining, and has excellent adhesion to the wheel hub.

Wheel Hub: Available in 45# steel, cast iron, die-cast aluminum alloy, stainless steel, and other metal materials depending on the working conditions; surface treatments include painting, phosphating, galvanizing, and Dacromet coating.

Other Characteristics: Resistant to various corrosive substances; operating temperature: -30°C to +70°C, short-term up to +90°C; load capacity decreases above +40°C.