Polyurethane tread is bonded to a polyolefin core. Tread is molded in, around and through a ribbed extension of the core to prevent debonding. Standard colors are maroon tread on grey core. This is a very attractive, all purpose wheel. Resistant to most chemicals, solvents, water and acids.
Temperature Range: -45ºF to +180ºF
Hardness (max. 300 lb capacity models): 45(±5) Durometer Shore D scale Hardness (max. 1700 lb capacity models): 55(±5) Durometer Shore D scale