Product name: 13mm butyl rubber stoppers
Color: Grey
Function: Used for lyophilization
Raw materials: Bromobutyl rubber from Exxonmobile Chemical
Introduction
Cervical-diameter 7.6 +/- 0.1mm;
Corona-diameter 12.5 +/- 0.2mm;
Corona- thickness 2.0 +/- 0.2mm;
Total thickness 12.0 +/- 0.3mm