Medical rubber parts
AssigneeSumitomo Rubber Industries, Ltd.
InventorsKatsushi MAEDA, Yoshikazu MASUYAMA
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Abstract
The present invention provides, medical rubber parts that do not physically and chemically affect the quality of preparations. The present invention relates to a medical rubber part obtained by press-molding an unvulcanized rubber mainly containing a rubber for forming a liquid-contacting portion and an unvulcanized rubber mainly containing a butyl-based rubber for forming a non-liquid-contacting portion, wherein a color difference dE between the liquid-contacting portion and the non-liquid-contacting portion is 6.0 or more in NBS units.
Claims7
A medical rubber part, obtained by press-molding an unvulcanized rubber mainly containing a rubber for forming a liquid-contacting portion and an unvulcanized rubber mainly containing a butyl-based rubber for forming a non-liquid-contacting portion,
- wherein a color difference dE between the liquid-contacting portion and the non-liquid-contacting portion is 6.0 or more in NBS units.
Dependencies are inferred from the claim text.