Premium differential adhesive double coated tape with 6.7 mil thickness, featuring 3M Adhesive 300MP+ on face and 300LSE on back for superior bonding to foams, fabrics, and challenging substrates.
The 3M™ Double Coated Tape 9490LE+ is a premium differential adhesive tape designed for challenging bonding applications across diverse substrates. This versatile tape features a 0.5 mil polyester carrier that provides exceptional dimensional stability during lamination and die-cutting operations. The face side is coated with 2.8 mil of 3M™ Adhesive 300MP+, specially formulated for excellent bonding performance on foams and fabrics, while the back side is equipped with 3.4 mil of 3M™ High Strength Acrylic Adhesive 300LSE, delivering superior bond strength to difficult-to-bond substrates including plastics, metals, glass, and painted surfaces.
With a total tape thickness of 6.7 mil without liner, this double coated tape offers reliable performance for both indoor and outdoor applications in general industrial settings. The 58# polycoated kraft paper (PCK) liner in tan color provides additional stability for storage and die-cutting operations, with a thickness of 4.2 mil. This configuration ensures consistent performance and ease of handling throughout the application process. The tape comes in roll form and is backed by an 18-month shelf life, making it an economical choice for manufacturers and converters seeking dependable bonding solutions.
The 3M™ Double Coated Tape 9490LE+ is ideal for applications requiring differential adhesive properties, where different substrates need to be bonded with varying levels of adhesive strength. Whether you're working with foam laminates, fabric assemblies, or mixed material constructions, this tape delivers the versatility and performance needed for professional-grade results.
Key Features
- Differential adhesive design for challenging and diverse substrates
- 0.5 mil polyester carrier for dimensional stability during lamination and die-cutting
- Face side: 2.8 mil 3M Adhesive 300MP+ for foams and fabrics
- Back side: 3.4 mil High Strength Acrylic Adhesive 300LSE for difficult bonding
- Indoor/outdoor rated with 18-month shelf life
- 58# polycoated kraft paper liner for storage and die-cutting stability
- Total tape thickness: 6.7 mil without liner
- Roll form for convenient application and dispensing
Technical Specifications
| Specification |
Value |
| Product Number | 9490LE+ |
| 3M ID | 7100319794 |
| Adhesive Type | Acrylic |
| Face Side Adhesive Type | Acrylic Adhesive 300MP+ |
| Face Side Adhesive Thickness | 2.8 mil (0.071 mm) |
| Back Side Adhesive Type | Low Surface Energy Acrylic Adhesive 300LSE |
| Back Side Adhesive Thickness | 3.4 mil (0.086 mm) |
| Backing Material | Polyester |
| Backing Thickness | 0.5 mil (0.013 mm) |
| Total Tape Thickness without Liner | 6.7 mil (0.17 mm) |
| Primary Liner | 58# Polycoated Kraft Paper (PCK) |
| Primary Liner Color | Tan |
| Primary Liner Thickness | 4.2 mil (0.11 mm) |
| Product Form | Roll |
| Application | Attaching |
| Product Usage | Foam |
| Indoor/Outdoor Rating | Indoor/Outdoor |
| Industry | General Industrial |
| Shelf Life | 18 Months |
| Smallest Saleable Unit | Roll |
| Brand | 3M™ |
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