Without a doubt, dumbbells are a primary tool when it comes to strength training and bodybuilding-and if you're in a commercial gym, urethane weights are the cream of the crop.
When choosing between both kinds of polyurethane dumbbells, CPU is the better choice for overall durability, consistency, grip, reduced odour, aesthetics and value.
While TPU dumbbells can be a more affordable, or cost-cutting, option, they generally will not provide the same level of product as CPU.