3M 7000123490 Vhb Tape 4941 Gray 45 Mil 1 Inch X 36 Yard

Product Description

The 3M 7000123490 is a gray, double-sided, closed-cell acrylic foam tape sold in a 1-inch-wide by 36-yard roll at 45 mil thickness. It carries a pressure-sensitive adhesive on both faces and ships with a paper liner for handling. Licensed plumbers, electricians, HVAC technicians, and general trade contractors use this tape when a high-strength, permanent bond is needed between dissimilar or curved surfaces where mechanical fasteners are not practical. The foam core conforms to surface irregularities, delivers cushioning and vibration damping, and resists plasticizer migration — a critical property when bonding to PVC or other plasticized substrates. The roll weighs 2.23 pounds.

This tape bonds high and medium surface energy substrates including metals, glass, and many plastics. It is suited for applications in HVAC panel assembly, electrical enclosure fabrication, architectural glazing, sign mounting, and general industrial bonding where a clean, rivet-free exterior finish is required. The closed-cell foam core also provides a degree of environmental sealing between bonded surfaces. The small-pack format is well suited to field service, single-trade jobs, or low-volume fabrication shops that do not require bulk quantities.

Key Features

• 45 mil (0.045 inch) closed-cell acrylic foam construction conforms to irregular surfaces
• Double-sided pressure-sensitive adhesive — no mixing, no cure time required
• Plasticizer resistant — suitable for bonding PVC and other plasticized materials
• Cushioning, damping, and impact resistance built into the foam core
• UL listing 746C for use with polymeric materials
• Paper liner protects adhesive during handling and simplifies application

Compatibility

Designed for bonding high and medium surface energy substrates including metals, glass, and select plastics. Performs as an OEM-style structural bonding solution in HVAC, electrical, and general industrial fabrication applications.

Installation Notes

Clean and dry both mating surfaces thoroughly before application — contaminants such as oils, dust, and moisture will reduce bond strength. Apply firm, even pressure across the full tape area immediately after positioning to activate the pressure-sensitive adhesive. Full bond strength develops over 72 hours at room temperature; avoid loading the joint until cure is complete. This product is a permanent bonding material and is not intended for temporary or repositionable applications.

Technical Specifications

• Thickness: 45 mil
• Width: 1 inch
• Length: 36 yards
• Color: Gray
• Construction: Closed-cell acrylic foam, double-sided
• Liner: Paper
• Certification: UL 746C
• Unit of Measure: Roll
• Weight: 2.23 pounds

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000123490