SC2 Open Black Septum Screw Cap
SC2 Open Black Septum Screw Cap
Black 13-425 open screw cap (comes with PTFE septa)
Caps are made of polypropylene with poly-vinyl liner. Good for mild acids, alkalis, solvents, alcohols, oils and aqueous products. Replaceable inserts are made of 50% rubber (on the injectable side) and 50% PTFE (on the bottom side.
Chemical Compatibility Charts:
PTFE:
Polypropylene: