This stopper for a drug vial consists of TPE (blue) molded over a rigid polypropylene (PP) sleeve (white). The PP contacts the vial’s contents while TPE seals the vial and helps exclude contaminants when a needle is inserted.
This stopper for a drug vial consists of TPE (blue) molded over a rigid polypropylene (PP) sleeve (white). The PP contacts the vial’s contents while TPE seals the vial and helps exclude contaminants when a needle is inserted.