Garlock GYLON® Style 3500 PTFE Sheet

PLEASE CALL (800) 530-9051

The GYLON® Style 3500 is a high performance, silica filled PTFE sheet material designed for use with strong acids, solvents, hydrocarbons, and other aggressive media.


Features and Benefits

The GYLON® Style 3500 produces a tighter seal with an improved performance over conventional PTFE materials. With a unique manufacturing process that minimizes cold flow problems typical of skived and expanded PTFE sheets, the The GYLON® Style 3500 reduces product loss and emissions with a reduced creep relaxation and excellent bolt torque retention. The GYLON® Style 3500 can withstand a wide range of chemicals for extended service life in a wide variety of applications.



  • PTFE with silica
  • Color: Fawn
  • Available in Full face or ring
  • Available for 150 lb or 300 lb
  • Available in 1/16 inch or ⅛ inch
  • Meets ABS, FDA and USDA specifications
  • Min. Temperature: -450°F / -268°C
  • Max. Temperature: 500°F / 260°C
  • Max. Pressure: 1200 PSI / 83 bar
  • Maximum PxT 1/16: 350,000 °F x PSIG / 12,000 bar x °C
  • Maximum PxT 1/8: 250,000 °F x PSIG / 8,600 bar x °C


Industrial Applications


  • Strong acids (except hydrofluoric acid)
  • Solvents
  • Hydrocarbons
  • Water
  • Steam
  • Chlorine
  • Cryogenics

Technical Specs for Garlock GYLON® Style 3500 PTFE