WET FRICTION MATERIAL, AND WET FRICTION PLATE USING WET FRICTION MATERIAL

摘要

PROBLEM TO BE SOLVED: To provide a wet friction material used in a wet friction plate of a wet multiple disc clutch integrated into an automatic transmission and the like in an automobile and the like, and having higher heat resistance and durability.;SOLUTION: A wet friction material includes a paper formed using one or plural types of fiber base materials and one or plural types of fillers, and a binding agent for curing the paper. The paper is formed using at least one type of fillers having a predetermined average grain diameter.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2017,JPO&INPIT