Surface treatment of brake disc, involves adding impregnant containing solvent and polysiloxane-based curable component in gap between brake disc portion and central receiving portion connected with wheel hub, drying impregnant and curing

摘要

An impregnant containing solvent and polysiloxane-based curable component is added in gap (22) between brake disc portion (12) and central receiving portion (14) connected with wheel hub. Then, the impregnant is dried and cured. Thus, surface treatment of brake disc (10) is enabled.