Engineering context
This concise definition establishes a shared term. Follow the related technical pages for formulas, tradeoffs and application guidance; confirm product-specific definitions against controlled documentation.
Technical glossary
Polyurethane (PU)
A family of elastomeric wheel materials whose performance depends on formulation, hardness and operating environment.
Quick answer
A family of elastomeric wheel materials whose performance depends on formulation, hardness and operating environment.