Medical Butyl rubber stopper for injection vials
Spec. Main feature Main size (mm)
13-E One needled hole Head Dia Head Dia Height Head thickness
13-E+ One needled hole Four rays 12.5±0.2 7.6±0.1 7.5±0.3 2.2±0.2
20-B2 Single circle 12.5±0.2 7.6±0.1 7.2±0.25 2.0±0.2
20-B2+ Single circle Four rays 19.5±0.2 13.0±0.1 8.7±0.3 3.0±0.2
20-A Double needled circles 18.8±0.2 13.2±0.1 8.8±0.3 3.3±0.2
20-B1 Single needled circle Four rays 18.8±0.2 13.2±0.1 8.8±0.3 3.3±0.2
20-Y One needled hole Single circle 19.1±0.2 13.1±0.1 6.2±0.3 3.1±0.2
