These high quality gray chlorobutyl stoppers are used for research and pharmaceutical packaging applications.
- Universal gray chlorobutyl formulation passes Japanese, European and United States pharmacopeia testing for globally marketed pharmaceutical products
- Formulation contains no plasticizers, 2-mercapto-benzothaizole, nitrosamine precursors or natural rubber latex
- Formulation is applicable to aqueous solutions with a pH range of 2 to 10