SEAL MEMBER
First Claim
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1. A seal member comprising a hydrogenated acrylonitrile-butadiene rubber (HNBR) and carbon nanofibers, the seal member having a number of cycles to fracture of 7000 or more when subjected to a tension fatigue test at a temperature of 70°
- C., a maximum tensile stress of 4 N/mm, and a frequency of 1 Hz.
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Abstract
A seal member includes a hydrogenated acrylonitrile-butadiene rubber (HNBR) and carbon nanofibers. The seal member has a number of cycles to fracture of 7000 or more when subjected to a tensile fatigue test at a temperature of 70° C., a maximum tensile stress of 4 N/mm, and a frequency of 1 Hz. The seal member exhibits excellent abrasion resistance.
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Citations
21 Claims
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1. A seal member comprising a hydrogenated acrylonitrile-butadiene rubber (HNBR) and carbon nanofibers, the seal member having a number of cycles to fracture of 7000 or more when subjected to a tension fatigue test at a temperature of 70°
- C., a maximum tensile stress of 4 N/mm, and a frequency of 1 Hz.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
Specification