WET RUBBING MATERIAL AND METHOD OF MANUFACTURING SAME

摘要

The present invention is directed toward obtaining a wet friction material and a manufacturing method therefor which eliminates an excessive binder coating from the outermost surface layer of the friction material and prevents the formation of the excessive binder coating. In the manufacturing method, the excessive binder coating and a layer containing many binders formed in the outermost surface by means of surface tension of the binders during the course of the impregnation, drying, and setting of the binders are eliminated, or the formation of the coating and the layer is prevented and smoothing processes such as heating, pressurizing, and molding are effected.