Title:
ブレーキ摩擦材用酸化鉄粉末
Document Type and Number:
Japanese Patent JP6966765
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an iron oxide powder for brake friction material that prevents occurrence of brake noise, has excellent braking properties, and can be suitably used for brake friction material.SOLUTION: An iron oxide powder for brake friction material has a sulfur content of 500 ppm or less by combustion ion chromatography, and a magnetization of 20 emu/g or less. The iron oxide powder has a pore volume of 10 mm/g or more and 180 mm/g or less, preferably. The iron oxide powder has a BET specific surface of 0.05 m/g or more 1.20 m/g or less, preferably.SELECTED DRAWING: None
Inventors:
Koji Yasuga
Takashi Kojima
Takashi Kojima
Application Number:
JP2017061855A
Publication Date:
November 17, 2021
Filing Date:
March 27, 2017
Export Citation:
Assignee:
Powdertech Co., Ltd.
International Classes:
C09K3/14; C01G49/06; F16D69/02
Domestic Patent References:
| JP2007197533A | ||||
| JP2008291108A |
Attorney, Agent or Firm:
Tatsuya Masuda
Kazuo Asahi
Kazuo Asahi
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