butyl rubber stopper for infusion bottle

Rubber stopper Specification :32-A1 color: grey Standard : ISO and YBB Material:bromo-butyl and chloro-butyl rubberThe manufacture of rubber stopper Specification :32-A1 color: greyDiameter of the top part :30.8±0.3Diameter of the plug stem : 24.2±0.2Total height: 16.0±0.4Thickness of the top part :5.0±0.31.High purity degree 2.Low punching force 3.Good tightness and keeping good touch with the punching pin products uses manufacturing flow