3M 7100139451 Vibration Damping Foil Tape 4 in 36 Yd 8 Mil

Product Description

The 3M 7100139451 is a dead soft aluminum foil vibration damping tape designed to absorb and dissipate mechanical vibration in demanding environments. The construction consists of a silver aluminum foil constraining layer bonded to a viscoelastic acrylic pressure-sensitive polymer, delivered on an easy-release liner. At 8 mil total thickness, the tape converts vibrational energy into negligible heat that quickly dissipates, reducing structure-borne noise and material fatigue. Each roll measures 4 inches wide by 36 yards long. HVAC fabricators, aerospace maintenance technicians, and industrial installers apply this tape where low-frequency vibration control and noise attenuation are required.

This tape is engineered for applications that demand performance across extreme temperature ranges, including ductwork assemblies, equipment panels, aircraft interior structures, and other metal substrates subject to continuous vibration exposure. The linered format supports die-cutting, making it suitable for precision-cut parts used in aerospace and OEM manufacturing workflows. The silver foil surface also resists weather and UV degradation, extending service life in exposed or semi-exposed installations.

Key Features

• Rated for vibration damping at temperatures as low as -76 degrees F (-60 degrees C)
• Viscoelastic acrylic polymer converts vibrational energy to negligible heat for effective noise reduction
• Meets F.A.R. 25.853(a) flammability requirement for aerospace applications
• Linered construction supports die-cutting for precision part-matched applications
• Resists UV exposure and weathering for reliable performance in difficult environments
• Dead soft aluminum foil conforms readily to irregular metal surfaces

Compatibility

Designed for use on metal substrates requiring vibration damping and noise attenuation, including HVAC ductwork panels, aircraft interior structures, and industrial equipment enclosures where an 8 mil aluminum foil tape is appropriate.

Installation Notes

Applied by qualified HVAC technicians, sheet metal fabricators, or aerospace maintenance personnel depending on the end application. Clean and dry the substrate thoroughly before application to ensure full adhesive contact. When die-cutting, use appropriate tooling and follow facility safety protocols for pressure-sensitive adhesive tapes. For aerospace installations, verify compliance with applicable F.A.R. requirements and facility maintenance manuals before use.

Technical Specifications

• Width: 4 inches
• Length: 36 yards
• Thickness: 8 mil
• Color: Silver
• Material: Dead soft aluminum foil with viscoelastic acrylic pressure-sensitive adhesive
• Minimum Use Temperature: -76 degrees F (-60 degrees C)
• Unit of Measure: Roll
• Weight: 6.3 pounds
• Certification: Meets F.A.R. 25.853(a)

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7100139451