3M™ AP111 Tape Primer

3M AP111 Tape Primer

Code: 3M AP111 / Category: VHB Foam Tapes


  • Enhanced Adhesion: The primer improves adhesion of tapes to a variety of surfaces, including plastics, rubbers, and metals.
  • Quick Drying: The primer dries rapidly upon application, allowing for efficient bonding processes.
  • Easy Application: The primer can be easily applied using a brush or swab, providing a uniform coating for optimal adhesion.
  • Improves Performance: By promoting better adhesion, the primer helps ensure the long-term performance of tapes, even in demanding environments.
  • Versatile: Suitable for use with a wide range of 3M tapes, enhancing their bonding capabilities on various substrates.

Typical Applications

  • Automotive: Priming surfaces for tape applications in automotive assembly, including attaching trim, emblems, and other components.
  • Electronics: Preparing surfaces for tape bonding in electronic devices and assemblies, ensuring secure attachment of components.
  • Signage: Enhancing adhesion of tapes used for mounting signs, banners, and graphics, providing reliable attachment to diverse surfaces.
  • Construction: Improving tape adhesion for construction applications, such as sealing, bonding, and mounting various materials.
  • General Industrial: Priming surfaces in industrial settings for tape bonding, increasing the reliability and durability of bonds.


  • Color: Clear
  • Drying Time: Typically dries within a few minutes under normal conditions
  • Application Method: Brush or swab
  • Substrates: Compatible with plastics, rubbers, metals, and other substrates
  • Compatibility: Designed for use with 3M tapes

Usage Instructions

  1. Surface Preparation: Clean the surface thoroughly to remove any dirt, dust, oil, or contaminants that may affect adhesion.
  2. Primer Application:
    1. Apply the primer evenly to the surface using a brush or swab.
    2. Allow the primer to dry completely before applying the tape.
  3. Tape Application: Apply the 3M tape to the primed surface, pressing firmly to ensure proper adhesion.
  4. Curing Time: While the primer dries quickly, allow sufficient time for the tape to fully bond to the surface.

Storage and Handling

  • Store the primer in a cool, dry place away from direct sunlight and sources of heat or ignition.
  • Keep the container tightly closed when not in use to prevent evaporation.
  • Follow all safety precautions and handling instructions provided by 3M.

Safety Considerations

  • Use the primer in a well-ventilated area to avoid inhalation of vapors.
  • Wear appropriate personal protective equipment (PPE), such as gloves and safety glasses, when handling the primer.
  • Refer to the product's Safety Data Sheet (SDS) for detailed safety information and handling instructions.


The 3M AP111 Tape Primer is a versatile solution for enhancing the adhesion of tapes to various surfaces. Its quick-drying formula, easy application, and compatibility with a wide range of substrates make it ideal for automotive, electronics, signage, construction, and general industrial applications, where reliable tape bonding is essential.