Polypropylene screw cap is made of high quality polypropylene, can be used to help pre-perforated septum puncture, with precise manufacturing tolerances.
Specification
Description: Natural color PTFE/transparent silicone septum Bottle cap type: open cap Bottle cap color: white Thread: 24-400 Cover and pad diameter: 22.4mm Septum thickness: 3mm Matching sample bottle: S2187 sample bottle Packing: 1 pack (100 pcs)
Features
Cap Type: closed top; Assembled Caps and Septa are easy for using and minimize contamination from handling;