SEAL

SEAL

A seal (10) is made of a rubber composition containing a hydrogenated nitrile-butadiene rubber as a main part of a rubber component. The rubber component contains: a first hydrogenated nitrile-butadiene rubber, an acrylonitrile content of which is 48.0% by mass or more and 52.0% by mass or less; and...

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Bibliographische Detailangaben
Hauptverfasser: NISHIMURA, Yutaka, HIRANO, Kosei, NISHIKAWA, Tomoki, IKEHARA, Junichiro, MIYASHIRO, Hiroki
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ACTUATING-FLOATS
BLASTING
CHEMISTRY
COCKS
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
CYLINDERS
DEVICES FOR VENTING OR AERATING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PISTONS
SEALINGS
TAPS
THEIR PREPARATION OR CHEMICAL WORKING-UP
THERMAL INSULATION IN GENERAL
VALVES
WEAPONS
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Beschreibung
Zusammenfassung:A seal (10) is made of a rubber composition containing a hydrogenated nitrile-butadiene rubber as a main part of a rubber component. The rubber component contains: a first hydrogenated nitrile-butadiene rubber, an acrylonitrile content of which is 48.0% by mass or more and 52.0% by mass or less; and a second hydrogenated nitrile-butadiene rubber, an acrylonitrile content of which is lower than the acrylonitrile content of the first hydrogenated nitrile-butadiene rubber.