Garlock 3504 Ring Gasket

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Garlock Gylon 3504 gasket is made of PTFE with aluminosilicate microspheres. It is designed for use in moderate concentrations of acids, caustics, hydrocarbons, refrigerants, and more.

 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 of skived and expanded PTFE sheets
  • Excellent bolt torque retention
  • Withstands a wide range of chemicals for extended service life in a wide variety of applications
  • Offers some of the largest sheet sizes in the industry
  • Improved material utilization reduces waste
  • Branding and color coding reduced misapplication
  • Will not burn
  • Will not support bacterial growth

      Typical Application
  • Moderate concentrations of acids and some caustics
  • Hydrocarbons
  • Solvents
  • Water
  • Refrigerants
  • Cryogenics
  • Hydrogen peroxide


 Available in sheet or cut gasket form   Min. Temperature  -450oF / -268oC
Blue   Max. Temperature 500oF / 260o
PTFE with aluminosilicate microspheres    Max Pressure 1200 PSI / 55 bar 
Meets ABS, FDA and UPS specifications    Maximum PxT 1/16  350,000 (oF x PSIG)
12,000 (bar x oC)
      Maximum PxT 1/8 250,000 (oF x PSIG)
8,600 (bar x oC)