Advantages of an aluminum seal with the convenience of a screw cap
Polypropylene screw cap with gray bromobutyl/50 stopper
Autoclavable
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. The contents can be accessed using a syringe through the stopper or with a pipette after removing the screw cap. These polypropylene closures are available in black, white, red, blue, and yellow. Tolerances in the stoppers are maintained to +/- 0.010.