Rubber gasket for separator of fuel cell

摘要

The invention relates to a rubber gasket to be disposed in a compressed state between separators of a fuel cell, which comprises: a sealing portion having a sectional shape of a two-projection structure comprising: a first projection having a curved slope of a first curvature radius D; and a second projection provided on the first projection and having a second curvature radius H; and a pedestal portion that extends in a horizontal direction with a predetermined thickness continuously from a foot portion of the curved slope of the first projection and has a flat bottom surface.