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公开(公告)号：US20210207672A1
公开(公告)日：2021-07-08
申请号：US17056609
申请日：2019-05-28
Applicant: ADVICS CO., LTD.
Inventor： Takuya UEKI , Chihiro OKAMOTO
IPC: F16D69/02
Abstract: A friction material according to an embodiment is a friction material including: copper in an amount of 0.5 wt % or less; an inorganic material having a cleavage property in an amount of 10 wt % to 20 wt %; a first abrasive material having a Mohs hardness of 6.5 or more and less than 7 and a second abrasive material having a Mohs hardness of 7 or more and 8 or less in an amount of 0.2 wt % to 3 wt %.
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