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Don’t glue PTFE (Teflon™), Bond PTFE.

Don’t Glue PTFE, Bond PTFE

PTFE (commonly known by the brand name Teflon™) is one of the slickest, most chemically resistant polymers on earth. That’s why glues, tapes, and epoxies fail — they peel, crack, or simply don’t hold. With the Polymer Bonding Process, PTFE can finally be bonded permanently, with no delamination issues.

Step-by-Step Instructions: How to Bond PTFE

  1. Prepare the Surface

  • Abrade the PTFE surface until the sheen is removed.
  • Clean thoroughly to eliminate all dust, grease, oil, or residue.

  1. Apply Poly Prep

  • Saturate the PTFE surface(s) and the other polymer surface (if present) with Poly Prep.
  • Let dry completely. Use a heat gun or hair dryer if necessary to ensure dryness.

  1. Apply Accelerator

  • Spray a light mist of Accelerator onto one surface only.
  • Allow to dry.

  1. Warm the Surfaces (if needed)

  • If both pieces are ¼ inch (6 mm) or thicker, heat the polymer surfaces to about 120 °F (49 °C) — very warm, just below hot to the touch.
  • If one surface is less than ¼ inch, you can skip this step.

  1. Apply Bonding Agent

  • Apply the Bonding Agent across the entire surface using small concentric circles.
  • Run a bead around the perimeter.
  • Be thorough but avoid excess — a thin, even layer ensures maximum surface contact.
  • If the surface without the Bonding Agent has cooled, quickly rewarm that surface before joining.

  1. Align, Join, and Heat

  • Align and press the PTFE and the other substrate firmly together.
  • Hold firm pressure for 15–30 seconds.
  • If one surface is less than ¼ inch, or if surfaces do not stay warm, use the heat gun to bring the bond area back to ~120 °F (49 °C).
  • The exothermic chemical reaction should raise the temperature further, up to about 135 °F (57 °C).

  1. Inspect and Finish

  • Allow the surface to cool naturally.
  • Visually inspect the bond and correct any gaps or issues immediately.
  • Once cooled, the bond is permanent and ready for service. 

Introduction

Bonding Teflon (PTFE) has always been considered one of the most difficult challenges in materials engineering. Traditional glues and epoxies fail because PTFE resists adhesion, leaving engineers and technicians frustrated when trying to join it to rubber, wood, metal, or other substrates.

With the Polymer Bonding Process™ and the Tech-Bond Molecular Bonding System™, that problem is solved. Our process creates a permanent molecular bond instead of relying on surface-level grip. The result: no delamination, no failures, and bonds that perform even under stress, heat, or environmental exposure.

 

Video Introduction

In this video, we’ll walk you step by step through the process of bonding PTFE to a variety of materials—including rubber, wood, and metal. You’ll see how precision surface preparation, minimal adhesive, and proper catalyst activation deliver bonds that are strong, flexible, and permanent.

Watch closely: once you understand the process, you’ll never think of bonding Teflon the same way again.™

The bonding Teflon™ to Steel Challenge

Bonding Teflon™ to steel—whether carbon steel or stainless steel—has long been one of the toughest challenges in industry. At a commercially viable level, the goal of achieving a permanent, reliable bond has eluded adhesives, coatings, and mechanical fixes. The nonstick, chemically resistant nature of Teflon™ makes it nearly impossible to secure to metal surfaces. That changes with the Polymer Bonding Process™, Tech-Bond’s patented solution. By creating a true molecular bond rather than a surface-level grip, the Process overcomes these barriers and delivers permanent adhesion between Teflon™ and both carbon and stainless steel—unlocking solutions that were previously considered unachievable.

Please call 877 565 7225 and ask for Don to discuss this solution.

More information on Teflon™