3M 7000049121 Vibration Damping Foil Tape 436 Silver

Product Description

The 3M 7000049121 is a vibration damping foil tape engineered to absorb and dissipate mechanical vibration while reducing structure-borne noise. It consists of a dead soft aluminum foil constraining layer coated with a pressure-sensitive viscoelastic acrylic polymer adhesive, supplied on a blue polyethylene easy-release liner. The tape measures 2 inches wide and runs 36 yards per roll, making it a practical choice for larger surface applications. It is installed by HVAC technicians, appliance service professionals, MRO tradespeople, and industrial maintenance crews working to control vibration and noise in metal panels, ductwork, housings, and mechanical enclosures.

This tape is suited for applications in HVAC, appliance manufacturing, construction, automotive, and general industrial maintenance. The easy-release liner supports die-cutting for custom shapes, making it adaptable to complex surfaces and tight geometries. Cold-temperature resistance allows the tape to remain functional at temperatures as low as -76 degrees F (-60 degrees C), which extends its usefulness to refrigeration systems, cold-storage construction, and outdoor mechanical installations where standard adhesives may fail.

Key Features

• Dead soft aluminum foil constraining layer absorbs and dissipates vibrational energy
• Viscoelastic acrylic polymer adhesive converts mechanical vibration to low-level heat
• Cold-temperature rated to -76 degrees F (-60 degrees C) for refrigeration and outdoor use
• Resists weather and UV degradation for long-term performance in demanding environments
• Blue polyethylene easy-release liner supports die-cutting for custom fabrication
• Pressure-sensitive application requires no heat activation or special tools

Compatibility

Designed for vibration damping and noise reduction applications across HVAC, appliance, construction, automotive, and general MRO industries where aluminum foil constraining-layer tapes are specified.

Installation Notes

This tape is applied by hand or with a roller applicator; no heat or solvents are required. Clean and dry the substrate surface thoroughly before application to ensure full adhesive contact. When cutting custom shapes, use the liner as a backing support. Follow applicable facility safety and equipment lockout procedures before applying tape to energized or moving machinery.

Technical Specifications

• Color: Silver
• Width: 2 inches
• Length: 36 yards per roll
• Unit of Measure: Roll
• Minimum Temperature Rating: -76 degrees F (-60 degrees C)
• Backing Material: Dead soft aluminum foil
• Adhesive Type: Pressure-sensitive viscoelastic acrylic polymer
• Liner: Blue polyethylene easy-release
• Weight: 6.02 pounds

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000049121