DWK, 239446, WHEATON® White Polypropylene Screw Cap, PTFE-Faced Foamed Polyethylene Liner, 89-400, Case of 500

White polypropylene screw cap provides clear surface for writing on cap, Choice of cap liners are available to suit range of user applications. These are detailed in the bullets below and listed where appropriate in the product tables., Polyvinyl liners provide an excellent moisture barrier, can be used with mild acids, alkalis, solvents and alcohols, Foamed polyethylene (PE) liner Foamed polyethylene liner provides chemical resistance for acids, alkalis, solvents, alcohols, oils, household cosm