A separator for a fuel battery comprising a conductive collector portion and a manifold portion. The collector portion is electrically conductive and includes channels for flowing reactive gas through the channels. The manifold portion includes gas introduction holes connected to the channels of the collector portion, and surrounds a circumferential edge portion of the collector portion to be integrated with the collector portion. The collector portion contains a resin binder, and the manifold p...

Use of a composition comprising a polytetrafluoroethylene resin and a fine inorganic powder for a gasket, said composition being characterized in that the polytetrafluoroethylene resin is at least 5% by weight and the fine inorganic powder is at least 40% by weight, based on the total amount of the polytetrafluoroethylene resin and the fine inorganic powder; the total amount of the polytetrafluoroethylene resin and the fine inorganic powder is at least 80% by weight based on the entire amount of...

Use of a composition comprising a polytetrafluoroethylene resin and a fine inorganic powder for a gasket, said composition being characterized in that the polytetrafluoroethylene resin is at least 5% by weight and the fine inorganic powder is at least 40% by weight, based on the total amount of the polytetrafluoroethylene resin and the fine inorganic powder; the total amount of the polytetrafluoroethylene resin and the fine inorganic powder is at least 80% by weight based on the entire amount of...