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GYLON® Style 3500 PTFE with Silica Filler Gasketing

PTFE with Silica Filler Gasketing 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.



  • 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 reduces misapplication
  • Will not support flame
  • Will not support bacterial growth