2023-12-09 The V-belt is generally considered to be only composed of rubber. Its main material is rubber, but its composition has multiple parts, such as the covering layer, the stretching layer, the strength layer, the buffer rubber, and the compression layer. The role of the belt is different, so the rThe V-belt is generally considered to be only composed of rubber. Its main material is rubber, but its composition has multiple parts, such as the covering layer, the stretching layer, the strength layer, the buffer rubber, and the compression layer. The role of the belt is different, so the rubber formula used is also different, so what role do these components play in the actual use of the V-belt?