Double-sided foam tape 3M KT777306269 — 66 m x 12 mm, white polyethylene foam

3M Double-sided foam tape KT777306269 is a roll of white polyethylene foam, 66 m long and 12 mm wide, intended for bonding, mounting and cushioning where a thin foam carrier is required. The tape offers conformability to slightly uneven surfaces and provides gap-filling performance for indoor assembly, trim fixing and light-duty mounting tasks. Its foam core and pressure-sensitive adhesive make it suitable for applications needing immediate tack and moderate shear strength without mechanical fasteners.

Advantages

The white polyethylene foam construction combines flexibility and compressibility to compensate for small irregularities and vibrations. The pressure-sensitive adhesive on both faces ensures quick, clean application and immediate tack on many common substrates such as painted metals, plastics and glass. The tape’s thin profile minimises visibility after installation while still providing cushioning and a degree of shock absorption. Available in a long continuous roll, it supports multiple small fixes and production runs without frequent reel changes.

Suitable for

• Indoor signage and nameplates mounting
• Attaching trims, mouldings and decorative profiles
• Light assembly work in furniture or display construction
• Temporary or semi-permanent joining of plastics, metals and glass
• Vibration damping and spacing in lightweight assemblies

Key specifications

• Carrier material: polyethylene foam (white)
• Adhesive type: pressure-sensitive adhesive on both sides
• Length: 66 metres per roll
• Width: 12 millimetres
• Profile: thin foam tape suitable for gap-filling and conformability
• Application environment: indoor use; suitable for common substrates like painted metal, glass and many plastics

How to use

Ensure surfaces are clean, dry and free of grease, dust or loose paint before applying the tape. Measure and cut the required length, remove the release liner and press the tape firmly onto the primary surface. For best adhesion, apply uniform pressure across the tape to achieve full contact. When joining two surfaces, apply tape to one side, remove the liner from the exposed adhesive and assemble the parts, maintaining firm pressure for several seconds. Avoid stretching the tape during application to preserve its dimensional stability.

Usage recommendations

Use at moderate indoor temperatures and avoid exposure to continuous high humidity or direct outdoor weathering to maintain bond performance. For heavy loads or exterior applications select a higher-strength structural tape or combine with mechanical fasteners. Test adhesion on representative substrate samples before full production or final installation.