Premium double-coated silicone/acrylic adhesive tape for demanding industrial bonding applications. Features exceptional temperature and chemical resistance with dual adhesive formulation for silicone elastomers and foam attachment.
3M™ Double Coated Tape 9731 is a high-performance adhesive tape specifically engineered for demanding applications involving silicone materials and elastomers. This premium tape features a unique combination of acrylic adhesive on the face side and silicone adhesive on the liner side, bonded to a 1 mil clear polyester film (PET) carrier. The tape measures 13 inches in width and 108 yards in length with an overall thickness of 5.5 mil, making it ideal for industrial applications requiring both flexibility and strength.
The tape is particularly suited for gasketing applications, silicone foam attachment, and rubber bonding where specialized adhesive properties are essential. The 3M™ Adhesive 350 on the face side provides exceptional temperature and chemical resistance, while the silicone adhesive on the back side ensures excellent bonding to silicone substrates and keypads. The double-lined design includes a 58# polycoated kraft paper (PCK) liner on one side and a 3 mil polyester film liner on the other, providing reliable performance for both manual and automated dispensing applications.
This industrial-grade tape operates effectively across a wide temperature range from -40°F to 250°F (-40°C to 121°C) and offers outstanding UV resistance, solvent resistance, and holding power. The thin polyester carrier provides dimensional stability and improved handling characteristics, making it suitable for die-cutting and lamination processes. Ideal for aerospace, automotive, electronics, medical devices, and general industrial applications, this tape delivers consistent performance in critical bonding and sealing operations.
Key Features
- Dual adhesive system with acrylic on face side and silicone on liner side for specialized bonding applications
- 3M™ Adhesive 350 provides exceptional temperature resistance up to 250°F (121°C) and outstanding chemical resistance
- Ideal for silicone rubber elastomers, foam, and gasketing applications with superior holding power
- Double-lined design with polycoated kraft paper and polyester film liners for reliable automated and manual dispensing
- Operates effectively across temperature range of -40°F to 250°F with excellent UV and solvent resistance
Technical Specifications
| Specification |
Value |
| Product Number | 9731 |
| Width | 13 inches (330.2 mm) |
| Length | 108 yards (98.75 meters) |
| Overall Thickness | 5.5 mil (0.14 mm) |
| Carrier Material | Polyester Film (PET) - 1 mil thick |
| Face Side Adhesive | High Performance Acrylic Adhesive 350 |
| Back Side Adhesive | Silicone - 2.9 mil thick |
| Face Adhesive Thickness | 1.6 mil (0.041 mm) |
| Primary Liner | 58# Polycoated Kraft Paper (PCK) - Tan - 4.2 mil thick |
| Secondary Liner | Polyester Film - Transparent - 2.9 mil thick |
| Core Size | 3 inches (76.2 mm) |
| Maximum Operating Temperature | 250°F (121°C) |
| Minimum Operating Temperature | -40°F (-40°C) |
| Product Color | Transparent |
| Product Form | Roll |
| Tape Type | Double Coated |
| Assembly Type | Gasket Attachment |
| Units per Case | 1 Roll |
| Shelf Life | 18 Months |
| UPC | 00051138956226 |
| Indoor/Outdoor Use | Both |
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