Wheaton® 239446 White Polypropylene Screw Cap with PTFE-Faced Polyethylene Foam Liner, 89-400 GPI T
This screw caps create a positive seal that protects against product escaping and prevents product contamination by outside substances. White Polypropylene screw cap provides clear surface for writing on cap. Polytetrafluoroethylene faced foamed Polyethylene liner that offers the excellent chemical resistance of Polytetrafluoroethylene with the compressibility and sealing properties of Polyethylene foam. Typical applications in analytical lab samples, high purity chemicals, strong acids, solvents. Excellent for environmental samples, pharmaceuticals and diagnostic reagents. These screw caps are for use with sample vials or bottles. 89-400 Size. White. Polypropylene. Polytetrafluoroethylene Faced Foamed Polyethylene Liner. Solid Top Style. Wheaton #: 239446.