Gylon 3504


Gylon® Style 3504

GYLON® Style 3504 - Blue PTFE Gasketing with aluminosilicate microspheres.


Tighter seal
  • Improved performance over conventional PTFE
  • Reduced product loss and emissions
Reduced creep relaxation
  • Unique manufacturing process minimizes cold flow problems typical of skived and expanded PTFE sheets
  • Excellent bolt torque retention
Chemical resistance
  • Withstands a wide range of chemicals for extended service life in a wide variety of applications
Cost savings
  • Cuts operational costs through reduced:- Fluid loss- Energy consumption- Maintenance costs- Inventory costs- Waste
Largest sheet sizes
  • Offers some of the largest sheet sizes in the industry
  • Improved material utilization reduces waste
Branding and color coding
  • Easy identification of superior GYLON® products
  • Reduces misapplication and use of unauthorized, inferior substitutes
  • Moderate concentrations of acids and some caustics
  • Hydrocarbons
  • Solvents
  • Water
  • Refrigerants
  • Cryogenics, hydrogen peroxide (For oxygen service, specify "Style 3505 for oxygen service.")

Sheet size options

  • 1500mm x 1500mm
  • 750mm x 750mm
  • 500mm x 500mm

Sheet thickness options

  • 1.5mm
  • 3mm



Min. Temperature: -450 (°F)
Max. Temperature: 500 (°F)
Max. Pressure: 800 (PSI)
Maximum PxT 1/16: 350,000 (°F x PSIG)
Maximum PxT 1/8: 250,000 (°F x PSIG)