abstract |
A friction transmission belt in which a belt body (10) is wound around a pulley to transmit power, characterized in that the belt body (10) comprises a rubber composition comprising at least one of montmorillonite and magnesium carbonate (17) . A cloth layer 16 covering at least the pulley contact side surface of the belt body 10 is provided and at least a part of the foam layer 16 is formed of at least one of 17 montmorillonite and magnesium carbonate compounded in the rubber composition, Contact. |