Brake for roller skate, especially inline skate, is made of a casting mass prepared from a two-component polyurethane, with high Shore A hardness and extension

摘要

Brake-stopper (A) for a roller skate, especially an inline skate, is made from a two-component poyurethane casting mass (B), and has Shore A hardness 75-90 and density 1.05-1.15 g/cm 3.