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Development of High-sealing Foamed Rubber Gasket Material

Article of Honda R&D Technical Review Vol.12 No.1

Summary

A high-performance durable formed rubber gasket material characterized by both superior compressive recovery and adaptability to rough surfaces was developed for automotive internal combustion engine sealing applications. Research was performed on gaskets exhibiting high sealing properties and a simplified fastening structure. As a result of the research, a gasket was produced with low surface pressure sealing properties that far exceed those of the conventional gasket materials due to the structure of the base rubber material, which is a foamed rubber material with a closed cell construction, and the optimization of the additive composition. The application of this gasket to an engine intake system facilitates the streamlining of the fastening structure.

Reference

(1) Miyuki Nakade: Trends and problems of recently seal materials, Industrial materials, vol.35, No.5, p.17-21(1983) (Written in Japanese)
(2) Norimasa Honda, Masaharu Kawachi: Fluoro resins and rubbers for seal materials, Industrial materials, vol.35, No.5, p.35-41(1983) (Written in Japanese)
(3) Tadashi Kouda: Reliability and evaluation of rubbers as parts for vehicle, Japan rubber association journal, vol.55, No.11, p.31-39(1982) (Written in Japanese)
(4) Takaomi Satogawa: Fluoro elastomer handbook, Fluoro rubber chapter, Tokyo, Daily industrial newspaper co., p.545-611(1990) (Written in Japanese)
(5) Yoji Mori, Syuji Nishihata: Property and prescription designs of oilproof rubbers, Japan rubber association journal, vol.58, No.3, p.66-74(1985) (Written in Japanese)
(6) Yoshio Araki: Property and new application of fluoro elastmer, balker review, vol.20, No.12, p.9-16(1977) (Written in Japanese)

Author (organization or company)

Yasunori MURAKAMI(Tochigi R&D Center)、Junpei YOSHIDA(Tochigi R&D Center)、Takuya AOKI(Tochigi R&D Center)、Atsuo YAMAGUCHI(Honda R&D Europe (U.K.) Ltd. (at Tochigi R&D Center at the time of development))

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