Garlock 3500 Ring Gasket

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Gylon 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
  • Tight seal
  • Improved performance over conventional PTFE
  • Reduced product loss and emissions
  • Reduced creep relaxation
  • Unique manufacturing process minimizes cold flow problems typical and skived and expanded PTFE sheets
  • Excellent bolt torque retention

  • Withstands a wide range of chemical for extended service life in a wide variety of applications
  • Offers some of the largest sheet sizes in the industry
  • Improved material utilization reduced waste 
  • Branding and color coding reduced misapplication
  • Will not support flame
  • Will not support bacterial growth

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


 Available in sheet or cut gasket form   Min. Temperature  -450oF / -268oC
Fawn color   Max. Temperature 500oF / 260o
PTFE with silica    Max Pressure 1200 PSI / 83 bar 
Available in full face or ring    Maximum PxT 1/16  350,000 (oF x PSIG)
12,000 (bar x oC)
 Available for 150lb or 300lb   Maximum PxT 1/8 250,000 (oF x PSIG)
8,600 (bar x oC)
Available in 1/16" or 1/8"   
 Meets ABS, FDA and USDA specifications