• PTFE Penny and Flat Head Stoppers

    • Hollow stopper for standard taper joints
    • Use up to 280 ºC (540 ºF)

  • PTFE-Flat-Head-Stoppers

    • Operates at high vacuum - transverse trapezoidal sealing rings
    • Self-releasing versions available on request
    • Use up to 280 ºC (540 ºF)
    • Leakage Rate < 1 x 10-4 torr, liter, sec-1

  • PTFE-Self-Releasing-Stoppers

    • Fit standard ground glass joints
    • With sealing rings and self-releasing ring

  • PTFE Hexagonal Grip Stoppers

    • Knurled or hexagonal grips.
    • Ground joint and sealing rings on the outside.
    • Easily removed.