| 摘要 |
A gasket is consisted essentially of a composition comprising hydrogen-added derivative (component a) of styrene-butadiene block copolymer, softener for rubber (component b), and polyester elastomer (component c). A medical device includes a cylindrical body and a gasket capable of moving in closely contact with the inner surface of the cylindrial body. And the gasket of the medical device is the same of the aforesaid type of the gasket. |
