Industrial-grade double-coated tape with dual adhesive system for bonding silicone materials, featuring acrylic and silicone adhesives on 1 mil PET carrier with exceptional temperature and chemical resistance.
3M™ Double Coated Tape 9731 is a premium industrial-grade adhesive tape engineered for demanding applications requiring exceptional bonding of silicone materials to various substrates. This innovative tape features a unique dual-adhesive system combining high-performance acrylic adhesive (3M™ Adhesive 350) on the face side with specialized silicone adhesive on the liner side, mounted on a robust 1 mil clear polyester (PET) carrier. The 23.25 inch width and 36 yard length provide substantial coverage for large-scale manufacturing operations, making it ideal for industrial fabrication, gasketing applications, and specialized assembly processes.
The tape's exceptional performance characteristics include outstanding temperature and chemical resistance, with operational temperatures ranging from -40°F to 250°F (-40°C to 121°C). The dual-liner system features a 58# polycoated kraft paper (PCK) primary liner measuring 4.2 mil thickness and a 2.9 mil polyester film secondary liner, both contributing to reliable performance in die-cutting and automated dispenser applications. The silicone adhesive on the back side provides superior bonding to silicone substrates while the acrylic face-side adhesive delivers exceptional adhesion to a wide range of materials including metals, plastics, and composites.
With a total thickness of 5.5 mil (0.14 mm) and an 18-month shelf life, this double-coated tape is specifically formulated for aerospace, automotive, electronics, medical device manufacturing, and general industrial applications. The tape's dimensional stability, excellent UV resistance, and superior holding power make it the preferred choice for demanding industrial environments where reliability and performance are non-negotiable.
Key Features
- Dual adhesive system with acrylic face side and silicone back side for specialized bonding applications
- 3M™ Adhesive 350 provides exceptional temperature and chemical resistance up to 250°F (121°C)
- Double-linered design with 58# polycoated kraft paper and polyester film for reliable die-cutting and automated dispensing
- Superior bonding to silicone rubber elastomers, foams, and gasketing materials with instant adhesion
- Excellent UV resistance, dimensional stability, and solvent resistance for demanding industrial environments
Technical Specifications
| Specification |
Value |
| Product Number | 9731 |
| Overall Width | 23.25 inches (590.55 mm) |
| Overall Length | 36 yards (32.91 meters) |
| Total Thickness | 5.5 mil (0.14 mm) |
| Carrier Material | 1 mil clear polyester film (PET) |
| Face Side Adhesive | High Performance Acrylic Adhesive 350 - 1.6 mil (0.041 mm) |
| Back Side Adhesive | Silicone adhesive - 2.9 mil (0.07 mm) |
| Primary Liner | 58# Polycoated Kraft Paper (PCK) - 4.2 mil (0.17 mm) - Tan color |
| Secondary Liner | Polyester Film - 2.9 mil (0.07 mm) - Transparent |
| Core Size | 3 inches (76.2 mm) |
| Product Color | Transparent |
| Product Form | Roll |
| Units per Case | 1 roll |
| Maximum Operating Temperature | 250°F (121°C) |
| Minimum Operating Temperature | -40°F (-40°C) |
| Indoor/Outdoor Use | Both |
| Shelf Life | 18 months from date of manufacture |
| Tape Type | Double Coated |
| Smallest Saleable Unit | Roll |
| UPC | 00051138957940 |
| 3M ID | 7010312094 |
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