GYLON®, a product of Garlock Sealing Technologies, is a reinforced PTFE gasketing material that offers significantly reduced creep relaxation and excellent chemical resistance, along with easy identification due to branding and color coding.

GYLON® Style 3535 Joint Sealant Benefits

  • Chemical resistance – differs greatly from chemically inert, pure PTFE by withstanding a wide range of chemicals
  • Easy installation – due to ease of cutting and forming and strong adhesive backing; 1/8″ to 1″ width availability


GYLON® Style 3535 Joint Sealant Tape Material Properties

Color: White
Composition: PTFE Joint Sealant Tape
Min. Temperature: -450 (°F)
Continuous Max: 500 (°F)
Max. Pressure: 800 (PSI)
Maximum PxT 1/16: 350,000 (°F x PSIG)
Maximum PxT 1/8: 250,000 (°F x PSIG)
Flammability: Will Not Burn
Bacterial Growth: Will Not Support
Meets Specification: FDA (Food and Drug Administration)