Polyurethane Tread Hardness and Durometer for Wheels, Sheaves, and Rollers
How Shore A and Shore D durometer readings on polyurethane treads are tested and specified, what they miss, and how urethane treads fail on heavy wheels.
Engineering Plastics and Elastomers for Wheels, Rollers, and Wear Parts
How cast nylon, acetal, UHMW-PE, phenolic, PEEK and rubbers compare for wheels, rollers, chain and wear strips: hardness, PV, water, heat and wear.