Tread:

• high-quality thermoplastic polyurethane (TPU), hardness 94 Shore A
• low rolling and swivel resistance
• high abrasion resistance
• color dark gray, non-marking, non-staining
• chemically-bonded inseparable connection with the wheel center

Wheel center:

• high-quality nylon 6, impact resistant
• color silver gray

Other features:

• very high chemical resistance to many aggressive substances
• operating temperature: -15 °F to +160 °F, temporarily up to +195 °F, reduced load capacity over +95 °F