PROBLEM TO BE SOLVED: To provide a slidable elastic body that has superior slidability and properties of preventing adsorption of protein, which are imparted thereto, and also can maintain sealability, and to provide a gasket for an injector, a catheter and a tire, which use the slidable elastic body.SOLUTION: The slidable elastic body is formed by preparing an elastic body in which the whole or a part of a surface thereof is laminated by a fluororesin film, and treating the elastic body with a fluorine-based oil.【課題】優れた摺動性、タンパク質の吸着防止性を付与し、かつシール性も維持できる摺動性弾性体、並びに、該摺動性弾性体を用いた注射器用ガスケット、カテーテル及びタイヤを提供する。【解決手段】表面の全部又は一部がフッ素樹脂フィルムでラミネートされた弾性体に、フッ素系オイルの処理を施した摺動性弾性体に関する。【選択図】なし
