Stoppers

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,...

Size No. 000, 00 and 0 have hole 3 mm diameter; sizes No. 1 and 2 have hole 4 mm in diameter; all other sizes have hole 5 mm in diameter.

PennyHead Glass Hollow Stoppers are designed to provide a reliable seal for laboratory glassware, preventing contamination and preserving experimental conditions. Their construction from high-grade glass ensures chemical resistance and durability. The hollow design allows for an effective seal while...