公开(公告)号：US20230150888A1

公开(公告)日：2023-05-18

申请号：US17917384

申请日：2021-04-09

Applicant: TOYO TANSO CO., LTD.

Inventor： Syuhei TOMITA ,  Hiroshi MACHINO ,  Yoko NISHI

IPC: C04B35/83 ,  C04B35/524 ,  C04B41/00 ,  C04B41/45 ,  C04B41/50 ,  C04B41/85

CPC classification number: C04B35/83 ,  C04B35/524 ,  C04B41/0072 ,  C04B41/457 ,  C04B41/5096 ,  C04B41/5015 ,  C04B41/5059 ,  C04B41/85 ,  C04B2235/428 ,  C04B2235/465 ,  C04B2235/5248 ,  C04B2235/5268

Abstract: Provided is a C/C composite having a long life in an environment including a heating process and a cooling process and having less adverse effects on surrounding facilities and the quality of treatment objects. A C/C composite in which, in measurement for open pores by mercury porosimetry, an open porosity for open pores with a radius of not less than 0.4 μm and less than 10 μm in the C/C composite is 2.0% or less.