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GYLON® Style 3540 Microcellular PTFE Gasketing

Microcellular PTFE Gasketing for Glass-lined Equipment. The GYLON® Style 3540 gasket is a highly compressible, microcelluar PTFE gasketing material designed to compress and conform to irregular or damaged surfaces, making it suitable for flanges that generate lower compressive stresses, such lined flanges and equipment.



  • Tight seal
  • Highly compressible PTFE seals under low bolt load
  • Compressible material conforms to surface irregularities, especially on warped, pitted, or scratched flanges
  • Reduced cold flow and creep
  • Pure PTFE withstands a wide range of chemicals
  • Soft PTFE can be cut easily from larger sheets, reducing inventory costs and expensive downtime
  • Will not support flame
  • Will not support bacterial growth