DWK, W012575A, WHEATON® White Polypropylene Screw Cap, PV Liner, 38-400

Use these Polypropylene caps with glass/plastic bottles or vials, Polyvinyl liners can be used with mild acids, alkalis, solvents and alcohols, Foamed polyethylene (PE) liner provides chemical resistance for acids, alkalis, solvents and alcohols, PTFE faced foamed PE liner ideal for use with high purity chemicals, strong acids and solvents