Polypropylene closures with gray bromobutyl/50 stoppers
For use with Diagnostic Bottles
Eliminates use of separate aluminum seal and rubber stopper
Use these with Wheaton glass diagnostic bottles catalog number 219360 through 219374. These closures are specifically designed for diagnostic applications, and offer all the advantages of an aluminum seal and stopper with the convenience of a screw cap. The unique combination of a stopper and screw cap ensures excellent sealing characteristics. Making them ideal for liquid reagents. You can access sample contents using a syringe through the stopper or with a pipette after removing the screw cap The Polypropylene closures are available in Black, White, red. blue, and yellow. Tolerances in the stoppers are maintained to ± 0.010". Both caps and stoppers are autoclavable
