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3M™ Extreme Sealing Tape 4412G – Thick acrylic PSA tape for sealing roofs, windows, doors, HVAC, gutters

Item Name: 3M™ Extreme Sealing Tape 4412G
Manufacturer: 3M
Technologies: Acrylic pressure-sensitive adhesive (PSA) with ionomer backing
Color: Gray
Cure Type: Pressure sensitive (self-adhesive, no curing required)
Package Size: Roll
Shelf Life: 12 months

1. Product Overview

3M™ Extreme Sealing Tape 4412G is a gray, highly conformable, single-sided acrylic adhesive tape reinforced with a high-performance ionomer backing. With a 2.0 mm thickness, it provides a stronger, more robust sealing solution compared to 4411 series tapes. Its soft yet thick adhesive instantly bonds to metals, plastics, and hard-to-stick surfaces, creating a watertight seal over fasteners, seams, joints, and gaps. The abrasion-resistant, paintable surface enhances outdoor durability while blending seamlessly into surrounding areas. This thicker grade ensures long-lasting performance in demanding industrial and construction environments, eliminating downtime associated with liquid sealants.


2. Applications

  • Truck and trailer roof sealing

  • Window and door sealing

  • HVAC joints and seams

  • Gutter protection

  • Industrial panel and construction joints

3. Typical Properties

Property Value / Description
Adhesive Type & Color Acrylic, gray
Backing Material & Thickness Ionomer, 0.05 mm
Total Tape Thickness (no liner) 2.0 mm
Adhesive Thickness 0.1 mm
Tensile Strength 87 kPa
Elongation at Break 4%
Operating Temperature Range +4 °C to +38 °C
Liner Material & Thickness Matte polyester film, 0.05 mm
Shelf Life 12 months from manufacture
Available Widths 51 mm, 610 mm
Available Lengths 16.5 m, 165 m
Net Weight 1.44 kg
Case Quantity 6 bags/case
Applicable Standards ASTM D412, ASTM D-3330, ASTM D3759
Industries Transportation, Construction, Metalworking, Signage, Specialty Vehicle, MRO, General Industrial

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BERGQUIST microTIM mTIM 1028 is purpose built for riding cage assemblies in servers, switches, and routers, interfacing with electroless nickel plated copper or aluminum heat sinks. It ensures stable operation in high power transceiver modules while also extending applicability to liquid cooling components, heat pipes, and fin based dissipative structures.

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